Dermatologists point to salicylic acid for scalp acne care
NBC Select’s 2026 guide says scalp breakouts often respond to oil-cutting shampoos and targeted acne treatments, with caveats for dryness.
By Tom Brennan · Health & Medicine Correspondent
3 min read
Scalp and hairline breakouts can be painful, hard to see and easy to mistake for dandruff or irritation. Dermatologists told NBC Select that the condition is often tied to excess oil around hair follicles, making ingredient choice central to treatment.
Dr. Steven Shapiro, a board-certified dermatologist and founder of the Shapiro MD hair care line, described scalp acne as whiteheads and blemishes that form directly on the scalp because of excess sebum, according to NBC Select. The outlet updated its guide in May 2026 with dermatologist and hair expert recommendations, including shampoos and spot treatments aimed at oil, buildup and inflamed follicles.
What experts say to look for
NBC Select said the products in its guide use common acne-fighting ingredients such as salicylic acid and glycolic acid. Dr. Jessie Cheung, a board-certified dermatologist, told the outlet that users may see a drying effect quickly, while the acne itself can take several days to improve.
Salicylic acid appeared repeatedly in the guide because dermatologists said it can help clear oil and residue from the scalp. Dr. Debra Jaliman recommended Neutrogena T/Sal Therapeutic Shampoo, which contains salicylic acid; NBC Select also cited Dr. Rina Allawh’s view that the shampoo works as a keratolytic, meaning it helps remove thick, scaly buildup.
For oily hair, dermatologist Dr. Hadley King recommended Garnier Fructis Pure Clean Shampoo, according to NBC Select. King said salicylic acid helps exfoliate the scalp and clear residue, while niacinamide supports scalp health and glycerin and aloe help hydrate and calm the skin.
Shampoos and treatments named in the guide
Certified trichologist William Gaunitz recommended Paul Mitchell Tea Tree Special Shampoo for scalp acne, NBC Select reported. Cheung said tea tree oil can reduce surface bacteria, and the guide noted that the shampoo is paraben-free and color-safe, though it has a strong scent.
Cheung also backed CLn Shampoo, according to NBC Select, saying its salicylic acid formula cleanses without stripping moisture. The guide characterized it as a pricier option for sensitive scalps.
NBC Select listed Differin Acne Treatment Gel as a scalp acne treatment option, citing Cheung’s view that facial acne spot treatments can be used on the scalp, even if they may not blend well into hair. Differin contains adapalene, a retinoid used for blackheads, teen acne and adult acne; the brand says clearing can take up to 12 weeks.
Ouai Anti Dandruff Shampoo was another higher-priced pick in the guide. According to the brand information cited by NBC Select, it contains 2% salicylic acid, is designed for dry, flaky scalps without irritation and is color-safe.
For people who cannot shampoo often, Dr. Joshua Zeichner recommended Carter + Jane Scalpfix, NBC Select reported. Zeichner said witch hazel and peppermint oil can soothe the scalp and reduce excess oil, while rosemary oil provides astringent benefits.
NBC Select also included Ovante Folliculite Solution Shampoo, which contains lactic acid, sulfur and tea tree oil. The guide said it may help with scalp pain, but noted its strong scent and higher price compared with some alternatives.
This story draws on original reporting from NBC News.