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Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.

Xeno-free three-dimensional stem cell masses are safe and effective for improving blood flow and tissue repair in limb ischemia.

Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.

Honey and bee pollen can help reduce menopausal symptoms in breast cancer patients.

Air pollution worsens skin diseases and aging by causing inflammation and oxidative stress.

Lotion with fucoidan from brown seaweed improved skin and reduced allergy symptoms in mice with dermatitis.

Finasteride-loaded nanoparticles may help treat alopecia.

Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.

A stable emulsion made with plant extracts and oils was effective in stimulating hair growth.

The new face mask with Eflornithine can potentially reduce facial hair growth and moisturize skin.

Sponges made of soy protein and β-chitin with human cells from hair or fat can speed up healing of chronic wounds.

Photothermal hydrogels are promising for infection control and tissue repair, and combining them with other treatments could improve results and lower costs.

A new compound was created in 2010 that can control oil production when applied to the skin, and its effects are completely reversible after two weeks.

Oleic acid nanovesicles improve minoxidil absorption in hair follicles for alopecia treatment.

Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.

Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.

Creating fully functional artificial skin for chronic wounds is still very challenging.

Some plant-based treatments can help with benign prostatic hyperplasia symptoms, but more research is needed to confirm their safety and effectiveness.

Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.

Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.

Nanoparticles can improve skin drug delivery but have challenges like toxicity and stability that need more research.

The new scaffold with two growth factors speeds up skin healing and reduces scarring.

The new compound is a promising, less toxic alternative to finasteride for treating prostate issues.

The document concludes that various clinical methods are used to assess ageing skin and the effectiveness of anti-ageing products.

Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.

Regulating keratinocyte growth in engineered skin can improve wound healing.

Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.

TrichoScan is a reliable method for measuring hair growth and is useful for assessing hair loss treatments.

PRP helps skin regeneration but needs standardized testing for consistent results.

Hair follicle culture helps study cell interactions and effects of substances on tissue growth.