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Stem cells help repair tissue mainly by releasing beneficial substances, not by replacing damaged cells.

Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.

New treatments for acne scars are safer and more effective because we understand the causes better.

Dendrobium officinale polysaccharides may help with hair growth, skin moisturization, and protection against oxidative damage.

Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.

Nonablative radiofrequency treatments, especially microneedle and fractional types, can improve acne scars by 25%–75% after 3-4 sessions, with full results in 3 months and some side effects.

Plant-based ingredients are effective and safe for modern skincare products.

Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.

Cosmetics and procedures can cause eye issues, from mild discomfort to serious conditions, due to allergies, toxins, or poor care.

Microneedles with enhancer effectively promote hair growth and increase hair density.

L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.

The document concludes that understanding the anatomical changes of the ageing face is important for effective rejuvenation treatments.

Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.

Researchers found a safe and effective way to pick genetically modified skin cells with high growth potential using CD24.

Microneedling is a safe and effective way to improve various skin conditions with minimal side effects.

Platelet-rich plasma might help with skin aging, ulcers, and hair loss, but more research is needed to prove its effectiveness and safety.

Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.

Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.

PRP shows promise for improving facial wrinkles, skin elasticity, and hair growth, but more research is needed to standardize its use and understand its effects.

Platelet-based therapies using a patient's own blood show promise for skin and hair regeneration but require more research for confirmation.

Active transdermal technologies in cosmetics help deliver skin treatments effectively, but their safety and effectiveness depend on skin type and treatment choice.

Children's hairlines change shape as they grow, with women often developing a widow's peak and men's hairlines becoming more convex and possibly balding at the temples, influenced by genetics and hormones.

Southeast Asian herbs show promise for skin and hair care, but more research is needed to confirm their effectiveness in cosmetics.

Older women face various skin issues like dryness and thinning, and treatments are available but can have side effects; proper skin care and legal health decisions are important.

PRP is effective for improving the appearance around the eyes.

Chemical peels are effective and popular for treating men's skin issues, with some special considerations for their unique skin needs.

The article compares different products for rejuvenating the upper part of the face.

The article concludes that dermatologists should prescribe lifestyle drugs carefully and consider mental health treatments for patients with disorders like BDD.

The anti-ageing treatment market is growing by exploiting fears of ageing with unproven promises, which could harm public trust and genuine science.

PRP shows promise for skin rejuvenation but needs more research.