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Looking older on the outside might be linked to aging faster on the inside and can be affected by lifestyle choices and health risks.

Light affects skin health, aging, and cancer risk, and new light-based treatments and imaging are promising for skin care.

Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.

Hyaluronic acid and versican are important for skin healing and hair growth and might help in regenerative medicine.

Vitamin A helps skin stem cells decide their function, aiding in hair growth and wound repair.

The research found ways to activate melanocyte stem cells for potential treatment of skin depigmentation conditions.

Skin and its underlying fat layer act together to resist mechanical stress, and reinforcing this composite structure may help more with anti-aging than just strengthening the skin alone.

Men are more likely to get infectious skin diseases, while women are more prone to autoimmune and pigment-related skin conditions, influenced by biological and environmental factors.

The study suggests that higher levels of SIRT1 and SIRT2 may improve overall cell health and aging processes.

Newborn skin cells can change into wound-healing cells more easily than adult ones, which might explain why baby skin heals without scars. Understanding this could help treat chronic wounds and prevent scarring.

High-frequency ultrasonography is a useful but underused tool in dermatology for assessing skin cancers, monitoring diseases, and evaluating treatments.

The skin and thymus develop similarly to protect and support immunity.

Skin stem cells are promising for healing wounds and skin regeneration due to their accessibility and regenerative abilities.

MicroRNA-148a is crucial for maintaining healthy skin and hair growth by affecting stem cell functions.

Communication between blood vessel and hair follicle cells decreases with age, affecting hair growth and blood vessel formation.

Microneedle patches improve drug delivery for skin treatments and cosmetic enhancements.

Activin A helps heal skin wounds and protects the brain after injury.

Mechanical force is important for the first contact between skin cells and hair growth in mini-organs.

Environmental cues can change the fate and function of epithelial cells, with potential for cell therapy.

Newly divided skin cells quickly move to join skin structures due to tissue tension and specific signals.

Double-stranded RNA activates a pathway that causes a skin protein to be expressed in the wrong place.

LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.

New treatments and technologies in laser medicine show promise for improving skin conditions, fat reduction, cancer treatment, wound healing, and hair restoration.

Certain small molecules can help regrow hair by turning on the body's cell cleanup process.

The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.

Actinic keratosis can lead to skin cancer, is more common in fair-skinned people, and can be reduced with sunscreen and treated effectively.

Exosomes can improve skin health and offer new treatments for skin repair and rejuvenation.

PTEN helps control the number and health of skin stem cells by working with the protein BMAL1.

Peptides, proteins, and growth factors in skincare show promise for improving skin health.

Chromosomal changes, including those in the WRN gene and rDNA, may significantly contribute to aging.