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Various hair camouflage options help people with hair loss improve appearance.

Regenerated hairs can regain their color if the wound occurs during a certain stage of hair growth, and this process is helped by specific skin cells and proteins.

Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.

An 11-year-old girl's hair loss was caused by a Cladosporium fungal infection, which was cured with itraconazole treatment.

Antigens from skin cells may cause hair loss in perinevoid alopecia.

Gonadal hormones significantly affect the severity of alopecia areata in mice.

In-office laser hair removal works well long-term, especially Nd:YAG for darker skin, but home devices need more testing.

Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.

Dermoscopy is underused in aesthetic medicine, but it increases diagnosis confidence; more training is needed.

Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.

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.

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.

A medication may help with hair growth in psoriasis, and a skin condition might be linked to a specific bacteria.

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.