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Scientists have improved 3D models of human skin for research and medical uses, but still face challenges in perfectly replicating real skin.

Chemotherapy can cause skin side effects that affect patients' lives, but they can be managed to avoid interrupting cancer treatment.

Progerin affects cell shape but not hair or skin in mice.

Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.

Hair transplantation techniques have improved and are beneficial for aesthetic surgery practices.

Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.

Low-level laser therapy may help stem cells grow and function better, aiding in healing and tissue repair.

FUE and SMP together can effectively treat hair loss, needing fewer procedures.

Platelet-Rich Plasma (PRP), a substance from a patient's own blood, can stimulate hair regrowth in people with Androgenetic Alopecia (AGA) who haven't had success with other treatments, but more research is needed to optimize its use.

Storing nanofat at -20°C for 7 days does not harm its ability to regenerate.

Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.

Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

The conclusion is that careful planning and technique in hair transplant surgery are crucial for successful graft harvesting and minimizing scars, with proper aftercare to avoid complications.

Regulatory T cells help heal skin and grow hair, and their absence can lead to healing issues and hair loss.

A new hair transplant method combines individual and group follicles for better results and efficiency.

The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.

Pneumatic Skin Flattening (PSF) significantly reduces pain during laser and IPL hair removal.

FUE provides minimal scarring and quick recovery in hair transplantation, and surgeons not using it may lag in technology.

The document concludes that Follicular Unit Hair Transplantation is a more precise and effective method for hair restoration.

The document concludes that good cosmetic outcomes in hair transplantation depend on the surgeon's artistic skill and careful planning.

Calcium and magnesium in hair increase with age and are higher in adult women.

Finasteride doesn't affect bone density in male rats.

Finasteride doesn't affect bone density in male rats.

The direction of hair implants doesn't affect the final direction of hair growth in baldness treatments.

Low-level laser therapy may help with hair regrowth in alopecia areata but its effectiveness for psoriasis and atopic dermatitis needs more research.

Diffuse alopecia in women may be related to androgens and iron deficiency, and basic hormone and nutrient screening is useful.

Some treatments like intralesional steroids and 5α-reductase inhibitors are effective for frontal fibrosing alopecia, but more research is needed.

Male pattern baldness is often genetic and linked to a hormone, with treatments like finasteride and minoxidil being effective for some men.

Reflectance confocal microscopy can noninvasively diagnose onychomatricoma by showing unique features different from healthy nails or nail fungus.

Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.