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Facial rejuvenation surgery has evolved to yield natural results with low complication rates, and more men and older patients are choosing this surgery.

Improve skin paddle appearance after head and neck reconstruction using tissue expansion, rearrangement, and flaps.

Submental tissue is good for repairing mouth area skin with minimal scarring and good cosmetic results.

Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.

The most different genetic segment between Africans and East Asians is the EDA2R/AR region, with two main types influenced by population changes and natural selection, and linked to baldness.

The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.

Plant-based hair care products can effectively treat hair loss with fewer side effects than synthetic treatments, and more research is needed for their development.

Quantifying hair shape is better than using racial categories for understanding hair characteristics.

Hair cortisol levels peak in the third trimester and decline postpartum.

The enzyme RDH12 plays a role in vision and retinal disease, with mutations leading to early onset visual loss and blindness, but the exact disease mechanism is unclear and there are no treatments yet.

The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.

Lupus can look like hair loss from alopecia areata but needs different treatment.

The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.

A new mRNA variant of the SCF gene in sheep skin produces a shorter, different protein.

Hair-Thread Tourniquet Syndrome is a rare condition where hair or thread tightly wraps around a child's body part, requiring quick treatment to prevent damage.

Gray hair may be caused by lower antioxidant activity in hair cells.

Root hairs in cereal crops can grow beyond the usual zone, and using Turface® clay helps study this.

The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.

Testosterone and its byproducts help support male sexual behavior through different pathways in the brain and body.

MicroRNAs could improve skin tissue engineering by regulating cells and changing the skin's bioactive environment.

Hair analysis for drugs in psychosis patients is unreliable due to varying hair growth rates.

The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.

Cattle skin has leptin which might control skin and hair growth.

Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.

DNA phenotyping helps predict physical traits from DNA with varying accuracy and requires careful ethical and legal handling.

Keratin hydrogel from human hair helps rats recover better from spinal cord injuries.

Melatonin helps wheat plants resist drought by improving their root and root hair growth.

Rats can't grow new hair follicles after skin wounds, unlike mice, due to differences in gene expression and response to WNT signaling.

Plant-based ingredients in hair care are being replaced by synthetic alternatives.

Hair restoration should focus on quality and value, not cost, to maintain the field's reputation and ensure patient satisfaction.