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Using combined treatments can help manage acne by targeting the bacteria and skin changes that cause it.

The document concludes that various topical medications are effective for skin conditions but often cause skin irritation as a side effect.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Curved human hair has different structures on each side, which might cause its shape and is similar to wool.

Advancements in hair biology include new treatments and tools for hair growth and alopecia.

The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.

Hair and nails are skin parts that develop early and serve protective and functional roles.

Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Bimatoprost eye drops make rabbit eyelashes longer, thicker, and darker, and increase the number of lashes without causing inflammation.

Chemotherapy damages hair follicles, causing hair loss and other cellular changes.

UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.

Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.

K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.

Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.

Supplemented Erzhi Wan may help regrow hair in male pattern baldness by affecting certain cell signaling pathways.

Removing hair from mice without reproductive glands led to grey hair, possibly helping to understand greying in aging.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Hair graying may be caused by stem cell depletion from stress or melanocyte damage.

Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.

Chemotherapy-induced hair loss is partly due to decreased laminin-511 and increased laminin-332.

Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.

Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.

Repeated hair dyeing significantly damages hair.

N-acetylcysteine may prevent hair loss caused by chemotherapy.

Different small areas within hair follicles send specific signals that control what type of cells stem cells become.

Epidermolysis bullosa simplex causes easily blistered skin due to faulty skin cell proteins, leading to new treatment ideas.

New vitiligo treatments focus on controlling immune damage and restoring skin color.