I found this shampoo removes scales effectively but dries my hair, so I use it sparingly for best results.

2026-03-09 Shampoo reviews Categroy：Men's Views：113

After using this shampoo, I learned it's not for daily application as it dries my hair, but it does a good job reducing scales temporarily when used occasionally for scalp relief.

This is a review from Amazon.com about product:

DHS SAL Shampoo - Maximum Strength Shampoo for Psoriasis, Eczema, and Dandruff/Medicated Anti-Dandruff Shampoo Reduces Oil, Treats Itchy Scalp with Salicylic Acid/PBA-free, Fragrance-free / 4oz

My Anti-Dandruff Shampoo Review: Scales Gone But Hair Dries

I learned pretty quickly this is not a shampoo to use daily or even every other day. It does dry out you hair. It does a pretty good job of getting rid of the scales for a little while.

Shampoo Basics & Tips

Understanding Shampoo for Dandruff and Hair Dryness

Based on the review, this shampoo is noted for its ability to reduce "scales" but also for drying out hair, making it unsuitable for daily use. "Scales" typically refer to dandruff or flaky skin on the scalp, which is often caused by conditions like seborrheic dermatitis or dry skin. Anti-dandruff shampoos commonly contain active ingredients like zinc pyrithione, selenium sulfide, or ketoconazole, which target fungi or reduce inflammation. However, these ingredients can strip natural oils from the hair and scalp, leading to dryness. This explains why the reviewer advises against daily use—overuse can disrupt the scalp's moisture balance, causing irritation or increased flakiness over time.

Why Some Shampoos Should Not Be Used Daily

Shampoos designed for specific issues, such as dandruff, often contain stronger detergents or medicated components. For instance, sulfates like sodium lauryl sulfate are effective cleansers but can be harsh, removing essential oils that protect hair. Daily use of such shampoos can lead to cumulative damage, including brittleness, split ends, and a dry scalp. Instead, dermatologists recommend alternating with milder, moisturizing shampoos or limiting use to 2-3 times a week. This approach allows the scalp to recover while still addressing dandruff, aligning with the reviewer's experience of temporary scale reduction without long-term harm.

Common Shampoo Knowledge and FAQs for Better Hair Care

Beyond the review, understanding general shampoo use can improve hair health. Shampoos work by using surfactants to remove dirt, oil, and product buildup. Choosing the right shampoo depends on hair type—for example, oily hair may benefit from clarifying shampoos, while dry hair needs hydrating formulas. A common question is how often to shampoo; for most people, 2-4 times a week is sufficient to maintain natural oils. Over-washing can cause dryness, as seen in the review, while under-washing may lead to clogged follicles. Additionally, always rinse thoroughly and consider conditioners to restore moisture. For dandruff, look for shampoos with ingredients like tea tree oil or salicylic acid as alternatives, and consult a doctor if issues persist, as chronic scales might indicate underlying health problems.