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UV light might cause excessive hair growth by increasing PGE2 in the skin.

Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.

UV photography can help identify people at higher risk for skin cancer, and male pattern baldness at age 45 is linked to a higher risk of certain skin cancers.

Hair fluorescence intensity can measure radiation exposure effectively.

Rosemary extracts, specifically compounds like rosmarinic acid and carnosic acid, can protect hair from UV damage.

The study found different absorbance values for simplex and complex homoeopathic hair oils when analyzed with a UV-visible spectrophotometer.

Honey mixture improved damaged Asian hair, making it stronger, softer, and shinier.

Different types of skin cells and immune cells play a role in healing UV-damaged skin, with chronic UV exposure causing lasting damage to certain skin cells.

Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.

Different types of sun exposure can damage skin cells and affect healing, with chronic exposure being more harmful, and certain immune cells help in the repair process.

Caffeine can protect scalp hair follicles from damage caused by UV radiation.

Triptolide effectively and safely reduces actinic keratosis lesions in mice.

Vitamin D can reduce skin inflammation caused by UV rays by enhancing cell "fitness" and skin repair.

UV-induced autofluorescence is effective for identifying different types of alopecia.

Vitamin D may help protect against nonmelanoma skin cancer.

The study developed a method to detect minoxidil and its sulfate form, found that minoxidil sulfate is temperature-sensitive, and identified a way to potentially increase its stability for hair loss treatment.

Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

Putting thymidine dinucleotide on newborn mice's skin can delay and reduce skin cancer.

Hydrogen peroxide is the main risk factor for melanoma in swimmers, not UV light.

Certain polyphenols may help treat skin pigmentation disorders.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

Older adults have a high rate of skin cancers like basal cell carcinoma and melanoma, mainly due to UV exposure and age.

Inhibiting ODC can prevent UV-induced skin cancer.

Vitamin D receptor may help protect against UV-induced skin cancer.

UV light can help stimulate the growth of new pigment cells from hair follicles in people with vitiligo.

FPHL common in Taiwanese women; risk factors include BMI, high glucose, early puberty, fewer childbirths, oral contraceptives, and UV exposure.

Caffeine applied to the scalp can protect hair follicles from UV damage.