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Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.

Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.

Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.

Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.

The long-pulse alexandrite laser is good for removing hair and treating skin problems like spots and veins.

The true cause of hair suddenly turning white is still unknown.

The 532 nm laser effectively reduces facial vascular and pigmented lesions, with the VISIA system reliably assessing treatment results.

Oxidative stress causes hair to gray by damaging and killing pigment cells.

Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.

A treatment combining laser energy and injections improved hair loss and unexpectedly also reduced hair graying.

Dermoscopy is useful for diagnosing various skin conditions, and new patterns for diagnosis are emerging.

About half of Taiwanese dermatologists use dermoscopy, mainly to improve diagnosis and detect cancer early, but cost and lack of training limit its wider use.

Researchers developed a new, precise method to measure hair loss in mice using image analysis.

Platelet-rich plasma is a safe and effective treatment for hair loss, with fewer relapses than steroid treatment.

Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.

Repeated dyeing and shampooing cause hair color loss and damage.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.

Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.

Skin diseases look different on pigmented and nonpigmented skin.

Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.

A woman developed lupus after taking hydroxyurea for two years.

New laser therapies are effective for skin damage, hair removal, and fat reduction.

Vitamin D helps protect skin, PSORS1 gene's risk interval for psoriasis is expanded, hair follicles can be generated from mouse cells, and interferon-γ may cause pigmented skin lesions.

Certain flavonoids help grow back colored hair after skin injury.

Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.

Certain flavonoids can improve the growth of pigmented hair in mice.

Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.

Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.

Future clinical uses of Intense Pulsed Light (IPL) are likely to grow and become more effective with new advancements and combined treatments.