Overview

The e70 Folliculitis Scalp Serum 2 fl oz is a leave-on treatment designed specifically for people who struggle with scalp folliculitis — those inflamed, sometimes painful bumps that form when hair follicles become clogged or irritated. Unlike standard dandruff, folliculitis often needs more targeted care than a regular shampoo can offer. Made in the USA and sitting in the mid-range price tier, this scalp serum aims to fill that gap as a daily leave-on solution. The no-rinse format is a genuine practical advantage for busy routines. Just know upfront that consistent application over several weeks is what makes the difference here, not a single use.

Features & Benefits

The active ingredient lineup is genuinely well-chosen. At its core, a 3% salicylic acid concentration works to exfoliate dead skin cells and clear congested follicles — the kind of buildup that keeps scalp conditions cycling. Tea tree oil brings natural antimicrobial and anti-inflammatory properties that complement the BHA nicely, while peppermint oil contributes a cooling effect that offers some immediate itch relief. Pro-Vitamin B5 rounds things out by supporting moisture retention and helping maintain a healthier scalp barrier over time. The whole formula is fragrance-free and paraben-free, which matters considerably if you have a reactive scalp. The texture is light, absorbs fast, and leaves no greasy residue.

Best For

This leave-on treatment is most likely to deliver real results for people dealing with recurring scalp folliculitis, persistent flaking, or an itchy scalp that anti-dandruff shampoos have failed to calm. It is a particularly smart pick for anyone who prefers a daily-use leave-on format over a once-or-twice-a-week medicated wash. If your scalp reacts badly to fragrance or harsh preservatives, the clean formulation is a genuine plus. Men and women alike will find the application straightforward. Worth noting: if your folliculitis is severe or does not respond to a cosmetic serum after consistent use, a dermatologist consultation is always the smarter next step.

User Feedback

Sitting at 4.2 out of 5 stars, the e70 serum earns mostly favorable marks, and the pattern is fairly clear: buyers who use it regularly tend to notice a genuine reduction in flaking and itch over time. The lightweight texture draws consistent praise — it does not feel heavy or sticky after application, which is important for a product you are putting on daily. On the downside, a portion of reviewers mention that progress comes slowly, which can test your patience when your scalp is actively uncomfortable. The bottle is rated as roughly a 30-day supply, so weigh the per-month cost carefully if you plan to use it long-term.

Pros

  • Salicylic acid at 3% is a well-established concentration for clearing clogged follicles and reducing scalp buildup.
  • The leave-on format keeps active ingredients working on the scalp throughout the day without requiring a rinse step.
  • Tea tree oil adds genuine antimicrobial support, making this scalp serum more than a one-note exfoliant.
  • Fragrance-free and paraben-free formula is a rare and welcome combination for anyone with a reactive scalp.
  • Most users report the texture is lightweight and non-greasy, so it does not affect hair feel or volume.
  • Suitable for all skin types and both men and women, so households can share a single bottle without issue.
  • Made in the USA, which provides a degree of manufacturing confidence for ingredient-conscious shoppers.
  • Pro-Vitamin B5 inclusion supports the scalp barrier and moisture retention alongside the exfoliating actives.
  • Peppermint oil delivers a cooling, soothing sensation that can offer quick short-term itch relief after application.

Cons

  • Results take time — users expecting visible improvement within days are likely to be disappointed.
  • A 2 fl oz bottle as a monthly supply makes the long-term cost of this leave-on treatment add up faster than many buyers anticipate.
  • A meaningful minority of reviewers report slower or inconsistent results, so efficacy is not guaranteed for everyone.
  • The e70 serum addresses scalp symptoms but cannot treat an underlying infection that requires medical attention.
  • No clinical trials or independent efficacy data are publicly available to back up the product claims.
  • Peppermint oil, while soothing for many, can occasionally cause mild tingling or sensitivity in very reactive scalps.
  • The small bottle size makes it easy to over-apply, which could shorten the stated 30-day supply window.
  • Limited brand recognition compared to established dermatologist-recommended scalp care lines may give cautious buyers pause.

Ratings

The scores below reflect an AI-driven analysis of verified global user reviews for the e70 Folliculitis Scalp Serum 2 fl oz, with spam, incentivized submissions, and bot activity actively filtered out to protect accuracy. Each category captures what real buyers consistently praised or criticized across thousands of documented experiences. Both the strengths and the frustrations are represented here without sugarcoating.

Effectiveness on Folliculitis
74%
26%
Users dealing with mild to moderate scalp folliculitis frequently report a noticeable reduction in bumps and inflammation after two to four weeks of consistent use. The combination of salicylic acid and tea tree oil appears to address both the clogged follicle and the bacterial component that keeps the condition cycling.
Results are far from universal — a meaningful share of reviewers saw little to no change even after extended use, and those with more persistent or severe folliculitis were particularly likely to feel let down. As a cosmetic serum rather than a prescription product, its ceiling on clinical effectiveness is real and should be set accordingly.
Itch & Flake Relief
81%
19%
This is arguably where the e70 serum earns its strongest marks. The peppermint oil delivers a quick cooling effect that takes the edge off itchiness within minutes of application, which buyers dealing with a maddening daily itch found genuinely useful. Flaking reduction was also among the most commonly praised outcomes after consistent weekly use.
The itch relief from peppermint oil is largely a sensory, short-term effect rather than a lasting fix, so users expecting the cooling sensation to signal deep healing were sometimes misled by their own optimism. Those with very reactive scalps also reported occasional tingling that crossed from soothing into uncomfortable.
Texture & Absorption
88%
The lightweight, non-greasy consistency is one of the most consistently praised aspects across user reviews. Buyers with fine or oily hair especially appreciated that applying the serum in the morning did not leave their roots looking weighed down or slick by midday, which is a common complaint with thicker scalp treatments.
A small number of users found the serum slightly runny, making it tricky to target specific scalp areas without some product migrating onto the hair shaft. Those who over-applied — easy to do given the thin consistency — occasionally reported a faint residue by end of day.
Ingredient Quality
83%
The active ingredient stack is well-considered for the intended use case: salicylic acid at 3% is a clinically recognized exfoliant, tea tree oil brings genuine antimicrobial credibility, and Pro-Vitamin B5 adds a legitimate moisture-support function rather than just padding the label. Ingredient-savvy buyers noted approvingly that nothing on the list looked like filler.
There is no independent third-party testing data publicly available to verify concentration accuracy or ingredient stability over the product shelf life. Some buyers who research formulations closely also noted that 3% BHA, while effective for many, sits on the lower end of what some dermatologists recommend for stubborn folliculitis cases.
Scalp Sensitivity Compatibility
79%
21%
The fragrance-free and paraben-free formulation removes two of the most common scalp irritants found in competing products, which sensitive-scalp users flagged repeatedly as a deciding reason for choosing this leave-on treatment. Users who had previously reacted to scented scalp serums reported being able to use this one without incident.
Tea tree oil and peppermint, while beneficial for most, are not without their own sensitization risk — a minority of users with highly reactive skin experienced mild stinging or redness, particularly in the first week of use. The label does not include a formal patch test recommendation, which would be a helpful addition for this user group.
Value for Money
62%
38%
At its price point, the e70 serum offers a reasonably clean formulation with legitimate active ingredients, and the leave-on format means you are getting more contact time per application compared to a rinse-off product at a similar cost. For users who find it effective, the ongoing monthly spend feels justifiable.
A 2 fl oz bottle as a 30-day supply is a tough pill to swallow for long-term users, and the value calculation gets worse quickly if results are slow or inconsistent. Several reviewers explicitly called out the bottle size as feeling small for the price, especially when compared to larger-volume alternatives in the same category.
Ease of Application
86%
The no-rinse, massage-in routine genuinely simplifies the scalp care process — users appreciated being able to incorporate it into an existing morning or evening routine without adding a separate wash step. The straightforward apply-and-go format earned particular praise from buyers with busy schedules.
The bottle does not include a precision applicator or nozzle, which makes it harder to part the hair and target the serum directly at affected scalp sections. A few users mentioned wasting product by applying it unevenly, especially on thicker or longer hair types.
Scent & Sensory Experience
77%
23%
Being genuinely fragrance-free is a win for users who are fatigued by overpowering scents in scalp care products. The faint natural herbal note from the tea tree and peppermint oils is subtle enough that it does not linger in the hair noticeably after the serum dries down.
Those who actively enjoy a scented scalp product experience may find the near-neutral scent underwhelming or clinical-feeling. Additionally, a small number of reviewers found the natural peppermint and tea tree scent more noticeable than expected, which was not a problem but worth knowing ahead of purchase.
Packaging & Build
67%
33%
The compact bottle is practical for storing in a bathroom cabinet or travel bag without taking up much space. The overall packaging is clean and communicates the key actives clearly, which buyers shopping for ingredient-focused products appreciated.
The packaging feels basic relative to the price positioning, and the absence of a targeted applicator tip is a missed opportunity for a scalp-specific product. The small bottle size also means the packaging-to-product ratio feels less premium than some competing serums in the same tier.
Speed of Visible Results
58%
42%
Users who committed to daily use for four or more weeks reported satisfying improvements in scalp clarity and reduced flaking, suggesting the formulation does deliver when given adequate time. Those with mild or early-stage folliculitis tended to see progress on the faster end of the timeline.
The slow result curve is one of the most frequently cited frustrations in user reviews — buyers dealing with active, uncomfortable scalp issues understandably want faster relief than a cosmetic serum can realistically deliver. Several reviewers abandoned the product before giving it enough time, which is a pattern worth flagging for prospective buyers.
Long-Term Scalp Health Support
71%
29%
Pro-Vitamin B5 and the ongoing exfoliating action of salicylic acid position this leave-on treatment as a reasonable long-term maintenance option for scalp health, not just a reactive fix. Users who integrated it as a daily staple rather than a crisis treatment reported more stable, less reactive scalps over time.
Long-term reliance on a salicylic acid leave-on product without professional guidance carries a small risk of over-exfoliation if the scalp barrier is already compromised. There is no guidance in the product materials about cycling off or taking breaks, which a well-designed scalp care product ideally would address.
Gender & Hair Type Versatility
82%
18%
The unisex formulation and scalp-targeted application method make this serum accessible across a wide range of hair types and textures. Men using it on short hair and women with longer or thicker hair both reported similarly manageable application experiences.
Users with very dense or curly hair noted that reaching the scalp evenly without a precision nozzle required extra effort and more product than the stated supply duration assumes. Fine-haired users had no such complaints, suggesting the usage-rate estimates skew toward less dense hair types.

Suitable for:

The e70 Folliculitis Scalp Serum 2 fl oz is a strong fit for anyone who has been fighting a persistently irritated, flaky, or bumpy scalp and has not found relief through regular shampoos alone. It is especially well-suited for people who prefer a daily maintenance routine over a wash-out treatment, since the leave-on format means the active ingredients stay in contact with the scalp longer. Sensitive-scalp users will appreciate the fragrance-free, paraben-free formulation, which removes two of the most common irritant triggers found in scalp products. It works equally well for men and women, and the straightforward massage-in application makes it easy to build into a morning or evening routine. Those who value USA-made personal care products with recognizable, clinically grounded ingredients like salicylic acid and tea tree oil will feel confident in what they are actually applying to their skin.

Not suitable for:

Anyone expecting a fast, dramatic fix should recalibrate before purchasing — the e70 Folliculitis Scalp Serum 2 fl oz is a cosmetic serum, not a prescription-strength medication, and it requires weeks of consistent use to show meaningful results. If your scalp condition is severe, infected, or has been formally diagnosed and recommended for medicated treatment by a dermatologist, this product is not a substitute for that care. The 2 fl oz bottle is rated as roughly a 30-day supply, which means ongoing costs add up quickly for long-term users, and budget-conscious shoppers should factor that in. People who prefer a single-step wash-and-go routine may find a leave-on serum adds friction to their regimen. Those with an allergy or known sensitivity to any of the key actives — including salicylic acid, tea tree oil, or peppermint — should avoid this leave-on treatment entirely.

Specifications

  • Brand: Manufactured and sold by e70, a USA-based skincare brand focused on targeted solutions for common skin concerns.
  • Volume: Each bottle contains 2 fl oz (59 ml) of serum, rated as a supply of 30 days or more with regular use.
  • Product Form: Formulated as a lightweight liquid serum intended to be left on the scalp without rinsing.
  • Key Active: Salicylic acid (BHA) at a 3% concentration serves as the primary exfoliating and follicle-clearing ingredient.
  • Additional Actives: The formula also includes tea tree oil, peppermint oil, and Pro-Vitamin B5 to support antimicrobial action, cooling relief, and moisture retention.
  • Fragrance-Free: This serum contains no added fragrance, reducing the risk of irritation for users with sensitive or reactive scalps.
  • Paraben-Free: The formulation excludes parabens, making it a suitable option for buyers avoiding common preservative compounds.
  • Rinse Required: No rinse step is needed; the serum is designed to be massaged into the scalp and left in place after application.
  • Skin Type: Suitable for all skin types, including sensitive scalps, and formulated for use by both men and women.
  • Texture: The serum has a non-greasy, lightweight consistency that absorbs quickly without leaving residue or weighing hair down.
  • Country of Origin: Produced in the United States of America.
  • Application Method: Apply directly to the scalp, massage gently to distribute, and leave in without rinsing.
  • Package Dimensions: The retail package measures 6.06 x 6.02 x 1.38 inches and weighs approximately 3.21 oz including packaging.
  • UPC: The product UPC is 791612777137, as listed on the manufacturer packaging.
  • Target Concerns: Developed specifically to address scalp folliculitis, dryness, flaking, itchiness, and buildup around the hair follicles.

Related Reviews

Act+Acre Cold Processed Stem Cell Scalp Serum 2.2 Fl Oz
Act+Acre Cold Processed Stem Cell Scalp Serum 2.2 Fl Oz
89%
91%
Hair Regrowth Effectiveness
88%
Scalp Hydration
94%
Ease of Application
90%
Absorption & Finish
96%
Ingredient Quality
More
OUAI Scalp Serum 2 fl oz
OUAI Scalp Serum 2 fl oz
79%
88%
Scalp Hydration
71%
Hair Fullness Appearance
91%
Ingredient Quality
87%
Texture & Absorption
83%
Scent Experience
More
iRestore Scalp Serum 2 Fl Oz
iRestore Scalp Serum 2 Fl Oz
73%
84%
Texture & Absorption
81%
Ingredient Quality
57%
Hair Regrowth Effectiveness
78%
Scalp Hydration
66%
Value for Money
More
VEGAMOUR GRO Scalp Detoxifying Serum, 2 fl. oz.
VEGAMOUR GRO Scalp Detoxifying Serum, 2 fl. oz.
87%
88%
Effectiveness for Buildup Removal
91%
Scent & Fragrance Quality
89%
Suitability for Sensitive Scalp
90%
Ingredient Quality
85%
Moisturizing & Hydration
More
Vanicream Daily Facial Moisturizer 3 fl oz & Vitamin C Serum 1.2 fl oz
Vanicream Daily Facial Moisturizer 3 fl oz & Vitamin C Serum 1.2 fl oz
89%
88%
Effectiveness for Hydration
84%
Brightening Effect
93%
Skin Compatibility for Sensitive Skin
87%
Absorption & Finish
89%
Moisturizer Texture
More
MINOXELL Scalp Intensive Hair Growth Serum 60ml
MINOXELL Scalp Intensive Hair Growth Serum 60ml
76%
88%
Texture & Absorption
83%
Scalp Hydration
61%
Hair Thinning Results
79%
Ingredient Quality
68%
Value for Money
More
Obliphica Seaberry Leave in Hair Serum 2.2 Fl Oz
Obliphica Seaberry Leave in Hair Serum 2.2 Fl Oz
87%
88%
Effectiveness for Frizz Control
91%
Hydration and Moisture Retention
82%
Hair Growth and Strengthening
90%
Texture and Feel
89%
Absorption and Finish
More
TruSkin Vitamin C Serum 2 Fl Oz
TruSkin Vitamin C Serum 2 Fl Oz
81%
78%
Brightening Effectiveness
91%
Skin Tolerance & Gentleness
88%
Texture & Absorption
74%
Hydration Performance
86%
Formula Purity & Ingredient Quality
More
Princereigns Ingrown Hair Serum 2 Fl. Oz
Princereigns Ingrown Hair Serum 2 Fl. Oz
86%
88%
Effectiveness in Reducing Ingrown Hairs
82%
Scent/Fragrance
93%
Suitability for Sensitive Skin
80%
Absorption and Finish
85%
Packaging and Ease of Use
More
InstaNatural Niacinamide Face Serum 2 Fl Oz
InstaNatural Niacinamide Face Serum 2 Fl Oz
87%
88%
Hydration Effectiveness
91%
Redness & Irritation Relief
84%
Anti-Aging Benefits
87%
Absorption & Finish
92%
Skin Sensitivity Compatibility
More

FAQ

No, this is a leave-on treatment, which is actually one of its most practical qualities. You apply it directly to the scalp, massage it in, and go about your day. No rinsing needed, which means the active ingredients stay in contact with your scalp longer.

Honestly, you should plan for at least three to four weeks of consistent daily use before judging results. Salicylic acid works gradually by clearing follicle buildup over time, not overnight. Some users notice reduced itching and flaking sooner, but meaningful improvement in folliculitis symptoms typically takes a few weeks of sticking with it.

The e70 Folliculitis Scalp Serum 2 fl oz is applied directly to the scalp rather than the hair shaft, so it is less likely to interfere with color-treated hair. That said, salicylic acid can potentially affect treated hair if it runs through the strands, so apply carefully and focus the product on the scalp. When in doubt, check with your colorist.

It is formulated for daily use, and the leave-on application supports that routine. However, if you have a particularly sensitive scalp, starting every other day to see how your skin responds is a reasonable approach before committing to daily application.

Based on the formula and user feedback, it should not. The texture is lightweight and absorbs quickly, so most people find it does not noticeably affect hair appearance or volume when applied correctly. Using too much product at once is the most common reason people experience residue, so a little goes a long way.

Yes, it can work well for general scalp dryness and flaking too. The salicylic acid gently exfoliates dead skin cells, while Pro-Vitamin B5 helps support moisture retention. If your main complaint is an itchy, flaky scalp rather than inflamed follicles specifically, this scalp serum is still a reasonable option to try.

The fragrance-free and paraben-free formulation was clearly designed with sensitive scalps in mind, which is a genuine plus. That said, tea tree oil and peppermint oil can occasionally cause mild irritation in very reactive skin types. Doing a small patch test before full application is always a smart move when your skin tends to be sensitive.

A small amount — roughly enough to cover the affected areas of the scalp without saturating it — is sufficient. Over-applying will not speed up results and may shorten how long your bottle lasts, since it is rated as a 30-day supply with normal use.

It is designed to complement your routine rather than replace a cleanser. You would still shampoo and condition as normal; this leave-on treatment is added on top of that to provide ongoing active-ingredient contact between wash days. Think of it as a targeted add-on step, not a substitute for washing.

Scalp acne and folliculitis share similar root causes — clogged follicles, bacterial involvement, and inflammation — so the active ingredients here address both concerns. Salicylic acid is widely used in acne care precisely because it clears congestion inside the pore or follicle. The e70 serum is a reasonable option to try for mild to moderate scalp breakouts, though persistent or severe scalp acne warrants a dermatologist visit.