November 2025 in “Cosmetics” Most trichological shampoo ingredients lack strong evidence for effectiveness against hair loss.
Most ingredients in hair loss shampoos lack strong evidence of effectiveness.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
67 citations
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April 2007 in “Journal der Deutschen Dermatologischen Gesellschaft” Shampoos are designed to clean and improve hair and scalp health, with specific ingredients for different hair types and conditions.
10 citations
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August 2024 in “Clinical Cosmetic and Investigational Dermatology” Natural ingredients may help reduce skin aging by protecting cells and boosting collagen.