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Glossary Photoprotective

Photoprotective refers to the ability of certain substances or mechanisms to protect the skin and hair from the damaging effects of ultraviolet (UV) radiation. In the context of hair loss and hair biology, photoprotection is relevant because UV exposure can lead to oxidative stress, which may contribute to hair follicle damage and hair thinning. Key distinguishing characteristics of photoprotective agents include their capacity to absorb, reflect, or scatter UV rays, as well as their role in preventing inflammation and promoting overall scalp health.

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Research

5 / 814 results

research The Photoprotective Effect of S-Methylmethionine Sulfonium in Skin

14 citations , July 2015 in “International Journal of Molecular Sciences”

This study found that S-Methylmethionine sulfonium (SMMS) enhances cell survival and reduces damage from UVB irradiation in skin cells, suggesting its potential as a cosmetic ingredient for UV protection.

research Photo‐protective effect of cuttlefish ink melanin on human hair

7 citations , September 2021 in “Journal of Applied Polymer Science”

This study found that melanin extracted from cuttlefish ink provided significant protection against UV radiation damage to human hair, suggesting its potential as a photoprotective agent in hair-care products.

research Introduction and Summary of Findings

January 1972 in “NBER Chapters”

This review discusses clinical studies on topical melatonin for skin protection and hair growth and reports no definitive conclusions on its anti-aging or hair-promoting efficacy, although skin photoprotection results are promising.

research HERBAL COSMETICS OF TURKIYE

January 2022 in “Acta botanica Caucasica”

This study evaluated herbal cosmetic products used in Turkiye, identifying 140 plant species and highlighting walnut, common nettle, and grape as popular for various traditional uses.