The short ingredient list includes the most important one—3% salicylic acid. At this amount, the ingredient is very effective at detoxifying the scalp without feeling too stripping. Additionally, it has no added fragrance, silicones, or sulfates so it’s a safe choice for those with sensitive skin, too (though we always recommend doing a patch test before applying a new product). The shampoo with salicylic acid you choose depends on your hair type and needs, but for one that delivers amazing results at removing build-up while still being gentle, we like the Neutrogena T/Sal Therapeutic Shampoo-Scalp Build-Up Control. Not only is it dermatologist-recommended and contains 3% salicylic acid, but it helps alleviate symptoms of more serious issues such as psoriasis. For something that’ll treat your hair to true luxury and combat dandruff, you can’t beat the Oribe Serene Scalp Anti-Dandruff Shampoo. Though on the pricier side, we think its effective formula and list of strengthening and nourishing ingredients are well worth the splurge. We're proud to announce that our mailing bags are made from recycled polythene and are also recyclable, and our bubble wrap is made from recycled plastic and is completely recyclable. The conditioner contains two super effective dandruff-fighting ingredients—climbazole and piroctone olamine—which are powerhouses in reducing flakiness and hydrating your tresses. And as a bonus for anyone who experiences scalp acne, the shampoo includes ginger root extract, an ingredient some dermatologists recommend to treat breakouts. Gohara says you can also keep an eye out for clarifiers like kaolin clay, “an absorbing mineral-rich clay,” that works well alongside salicylic acid to gently rid your scalp of impurities.

How exactly? Well, the beta hydroxy acid (BHA) is an oil-soluble acid that loosens clumps of dead skin, which, yes sounds gross, but also makes it extremely effective at cleansing the scalp of dirt, dry skin, and product build-up that leads to dandruff and irritation. It’s even recommended by the National Psoriasis Foundation as a first-rate therapy for treating the itchy, red scaly patches symptomatic of this condition.Choi YH, Shin JY, Kim J, Kang NG, Lee S. Niacinamide Down-Regulates the Expression of DKK-1 and Protects Cells from Oxidative Stress in Cultured Human Dermal Papilla Cells. Clin Cosmet Investig Dermatol. 2021;14:1519-1528. Published 2021 Oct 18. doi:10.2147/CCID.S334145

We appreciate how this formula is safe for sensitive skin, though since it’s working overtime to rid all of the dirt and grime buildup in your hair it can leave strands a little parched, so be sure to follow up with a conditioner If you aren't sold yet, among its other strengths are its anti-inflammatory effect, and that it can help to reduce sebum production, making your scalp less greasy over time. Still have questions? We got Kate to answer the most common ones. Who are salicylic acid shampoos suitable for? Anyone who struggles with an oily or flaky scalp can benefit from a salicylic acid shampoo. We also use salicylic acid to help in scalp conditions such as seborrhoeic dermatitis or psoriasis. However, dry scalps might find salicylic acid stripping." Is there a % needed to be effective? Our suggestion: Practice patience with this shampoo and it’ll reward you down the line—since it leaves out harsher ingredients it may take a couple of consistent washes to wave dandruff goodbye for good. This shampoo is formulated using Salicylic Acid and Tee Tree Oil, which work together to exfoliate and refresh the hair and scalp, leaving it cleansed and oil-free. Piroctone Olamine is an intense clarifying agent, which helps to remove bacterial and fungal cultures to refresh and balance the scalp further. Betaine provides an anti-static covering, which prevents hair from frizzing whilst Panthenol improves hair strength and gently softens it, enhancing manageability. Sulphate-free. Cruelty-free & vegan-friendly.While the formula doesn’t contain a super high percentage of salicylic acid, this shampoo still does a stellar job of vanquishing flakes as it works in tandem with niacinamide to refresh skin and reduce flakiness. What’s more, thanks to its inclusion of antioxidants and anti-inflammatory ingredients such as limonene, you could finally find relief from irritated skin. Menthol and apple cider vinegar get right to work calming irritation and exfoliating the scalp, leaving behind a tingling feeling as a telltale sign that they’re working. Its other benefits—like promoting hair growth through niacinamide and red flower extract—may take a little longer to see, but we’re in it for the long run. And although it only contains 0.25% of salicylic acid (a relatively low amount), the BHA still works so well with the naturally acidic apple cider vinegar to deep-clean the hair, balance the pH of your scalp, and rid it of dandruff.