The best shampoos for eczema are fragrance-free, sulfate-free formulas that clean without stripping moisture from the scalp. If your scalp is itchy, flaky, and irritated from eczema, your shampoo choice matters more than you might think. The wrong ingredients can trigger flare-ups, while the right ones can calm inflammation and help your skin barrier recover.
What to Look for in an Eczema Shampoo
Not all “gentle” or “sensitive skin” shampoos are truly eczema-friendly. The ingredients that matter most fall into two categories: the cleansing agents and the soothing or moisturizing components.
For cleansing agents, look for shampoos that use nonionic surfactants rather than the harsher anionic types. A 2024 review found that anionic surfactants are the most likely to trigger eczema lesions, while nonionic surfactants are the least likely. In practical terms, this means choosing products labeled “sulfate-free.” The foamy lather most people associate with a good shampoo comes from sulfates, but that lather strips natural oils from an already compromised scalp.
For moisturizing support, look for humectants like glycerin or hyaluronic acid. These ingredients attract and hold water in the skin, helping counteract the dryness that drives eczema itching. Colloidal oatmeal and ceramides are also beneficial because they reinforce the skin’s moisture barrier, which is weakened in people with eczema.
Ingredients That Make Eczema Worse
Several common shampoo ingredients are known irritants for eczema-prone skin. Avoiding them can be just as important as choosing the right product.
- Sodium lauryl/laureth sulfate (SLS): The most common detergent in shampoos. It creates the sudsy lather people expect but causes skin irritation, especially on sensitive or broken skin.
- Fragrances: Both synthetic and “natural” fragrances are among the top triggers for contact dermatitis on the scalp. Look for “fragrance-free” rather than “unscented,” which can still contain masking fragrances.
- Parabens: Preservatives like methylparaben, propylparaben, butylparaben, and ethylparaben are used to extend shelf life. They can irritate eczema-prone skin.
- Methylisothiazolinone (MI) and methylchloroisothiazolinone (MCI): These preservatives are potent contact allergens. The Royal Children’s Hospital Melbourne specifically warns against hair products containing them for eczema patients.
Reading ingredient lists takes practice, but after a few trips to the store you’ll start spotting these names quickly. The National Eczema Association maintains an online product directory with a “Seal of Acceptance” program. You can filter by hair products to find shampoos that have been evaluated for eczema compatibility.
Medicated Shampoos for Stubborn Flare-Ups
When a gentle daily shampoo isn’t enough to control itching and flaking, medicated options can help. These typically contain active ingredients that reduce inflammation, fight fungal overgrowth, or slow the rapid skin cell turnover that causes scaling.
Antifungal shampoos containing ketoconazole are commonly recommended when eczema overlaps with seborrheic dermatitis. The 2% version is prescription-strength, while a 1% formula is available over the counter in many countries. For the prescription strength, Mayo Clinic guidelines recommend working up a lather and leaving it on the scalp for a full 5 minutes before rinsing. The over-the-counter version is typically used every 3 to 4 days for up to 8 weeks, then only as needed.
Coal tar shampoos are another over-the-counter option, approved by the FDA in concentrations between 0.5% and 5%. Coal tar slows skin cell growth and reduces itching, but it comes with a few caveats: it can increase sun sensitivity for up to 24 hours after use, it has a strong smell, and it can stain light-colored hair. Avoid prolonged use without medical guidance, and don’t combine coal tar products with UV therapy or prescription eczema treatments unless directed to do so.
Pyrithione zinc shampoos (the active ingredient in many dandruff formulas) can also help with mild scalp eczema by reducing flaking and controlling the yeast that sometimes worsens symptoms.
How to Wash an Eczema-Prone Scalp
The way you wash matters nearly as much as the product you choose. Hot water feels soothing in the moment but strips oils and worsens dryness. Use lukewarm water instead. Apply shampoo primarily to the scalp rather than the lengths of your hair, and use your fingertips, not your nails, to gently work it in.
With medicated shampoos, contact time is critical. Rinsing too quickly means the active ingredient never gets a chance to work. Five minutes of contact time is standard for most medicated formulas. Set a timer if needed. For non-medicated gentle shampoos, there’s no benefit to leaving them on longer than it takes to clean your scalp.
Washing frequency depends on your individual scalp. Over-washing dries things out, but going too long between washes can allow oil, sweat, and dead skin to build up and trigger itching. Every other day is a reasonable starting point for most people, adjusted based on how your scalp responds.
Shampoo for Children With Scalp Eczema
Children’s scalps are more sensitive than adults’, and many standard shampoos are too harsh even in small amounts. Clinical guidelines from the Royal Children’s Hospital Melbourne recommend skipping traditional shampoo entirely for children with eczema and using soap-free skin cleansers instead. These cleansers work on both the body and the scalp without the detergents that irritate compromised skin.
The same ingredients to avoid in adult products apply doubly for children: no sulfates, no MI or MCI preservatives, no fragrances. For cradle cap or thick scalp flaking in infants, gently massaging a small amount of a plain emollient (like petroleum jelly or a fragrance-free oil) into the scalp before bath time can help soften and loosen scales without irritation. If a medicated shampoo seems necessary for a child, it’s worth getting specific guidance on the right product and concentration for their age.
Putting It All Together
For everyday washing, choose a fragrance-free, sulfate-free shampoo with moisturizing ingredients like glycerin, ceramides, or colloidal oatmeal. Check the National Eczema Association’s product directory if you want vetted options. If gentle shampoos alone don’t control your symptoms, add a medicated shampoo containing ketoconazole, coal tar, or pyrithione zinc a few times per week, leaving it on the scalp for at least 5 minutes before rinsing. Keep the water lukewarm, and follow up with a fragrance-free conditioner or scalp moisturizer to lock in hydration while your skin is still damp.