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The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Skin aging reflects overall body aging and can indicate internal health conditions.

Advancements in creating skin grafts with biomaterials and stem cells are promising, but more research is needed for clinical application.

Antioxidants may help fight oxidative stress linked to autoimmune skin diseases.

The AC 2 peptide from Trapa japonica fruit helps protect hair cells and may treat hair loss.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

Claudin-1 is important for the barrier function and growth of hair.

New physical methods like electrical currents, ultrasound, and microneedles show promise for improving drug delivery through the skin.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

The natural topical treatment improved rabbits' skin and hair condition.

Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.

Nanocarriers could improve how drugs are delivered through the skin but require more research to overcome challenges and ensure safety.

Children with atopic dermatitis often have sleep problems due to itching and may benefit from melatonin, which helps with sleep and skin symptoms.

The skin is a large organ that plays a role in the immune system.

Stephen Rothman made important discoveries in dermatology, including the use of PABA in sunscreens, but never profited from his work.

Nanoencapsulated antibiotics are more effective in treating hair follicle infections than free antibiotics.

The new hydrogel is good for wound dressing because it absorbs water quickly, has high porosity, can release drugs, fights bacteria, and helps wounds heal with less scarring.

A new skin treatment using a patient's own cells healed chronic wounds effectively and was preferred over traditional grafts.

Melatonin may protect hair follicle cells from damage caused by a chemotherapy drug.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

High mTORC1 activity slows hair growth and causes it to lose color.

Fat-derived stem cells show promise for treating skin issues and improving wound healing, but more research is needed to confirm the best way to use them.

Taking too many vitamin and mineral supplements can cause serious health problems.

Understanding how baby skin heals without scars could help develop treatments for adults to heal wounds without leaving scars.

The synthetic retinoid EC23 thickens skin and promotes hair growth more effectively and with a lower dose than natural retinoids.

The conclusion suggests a new acne treatment that controls bacteria by reducing water in the skin's pores using sugar-like substances.

Dandruff and seborrheic dermatitis are caused by yeast feeding on scalp oils, leading to irritation and flaking.