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830 nm LED light effectively treats and prevents skin redness and dark spots, while 590 nm LED light only helps prevent them.

Oral tranexamic acid is a safe and effective treatment for melasma.

Collagen reduces skin melanin, boosts antioxidants, and improves skin moisture.

Lentiginous melanoma is most common on the face, especially the nose, cheek, and pre-auricular areas, with men more likely to have it on the scalp, ears, upper back, and trapezius, and women on the cheek and anterior arm. Sun damage is a key factor in its formation.

Ecklonia cava extract can reduce the damage and stress caused by hair dye.

Lasers can help reduce skin side effects from cancer treatment.

Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.

Rabbit hair color is influenced by the shape and distribution of pigment granules.

Better documentation of alopecia areata in Black individuals is needed to improve diagnosis.

Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.

The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.

Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.

Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.

Hair sunscreens were less effective than expected, especially for dark hair.

Gray hair can potentially be managed or reversed with treatments that boost melanin production and address nutritional deficiencies.

Multiphoton microscopy helps understand and improve vitiligo treatments by visualizing skin cell changes.

Asian hair is more resistant to UV damage due to higher lipid content.

Melanocyte stem cells in hair follicles are key to understanding and potentially preventing hair graying.

Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.

Melatonin protects skin and hair from damage and stress by acting as an antioxidant and influencing cell growth.

Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.

α-MSH may help treat skin inflammation and fibrosis.

New treatments and drugs show promise for improving skin pigmentation and regeneration.

Apoptosis in hair follicles spreads through cell death signals, with stem cells slowing the process.

Melanocytes might be targeted by the immune system in people with alopecia areata, but more research is needed.

Injectable platelet-rich fibrin can safely and effectively treat melasma.

Melanocyte stem cells can become melanoma, resembling human melanoma.

Luteolin can reduce hair graying in mice, with external treatment being more effective.

Nicastrin deficiency may cause skin cell damage and pigmentation disorders in humans, similar to effects seen in fish.