December 2014 in “Annals of psychophysiology” Power-enhancing drugs can cause mood swings, aggression, anxiety, and physical side effects, questioning their overall benefits.
117 citations
,
November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
32 citations
,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
30 citations
,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
25 citations
,
November 2008 in “Facial Plastic Surgery” Dr. Michael Beehner recommends a personalized, careful approach to hairline design in hair replacement surgery for a natural look.
19 citations
,
October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
18 citations
,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
16 citations
,
July 2007 in “Facial Plastic Surgery Clinics of North America” The document suggests using fat grafting and laser therapy to improve the aging Asian face and hair restoration techniques tailored to Asian hair characteristics, emphasizing natural results and cultural sensitivity.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
11 citations
,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
5 citations
,
October 2013 in “Clinics in Plastic Surgery” Hair transplant improves with regenerative medicine and FUE technique.
3 citations
,
January 1994 in “Toxicological Sciences” Finasteride causes abnormal growth in male mice cells at high doses.
1 citations
,
June 2017 in “Veterinary dermatology” A cross-bred lamb with severe skin and movement issues had ichthyosis fetalis but normal vitamin A levels.
June 2014 in “Basic & Clinical Pharmacology & Toxicology” Some plant extracts may treat livestock diseases, certain animal treatments are safe and effective, but more research on drug safety and resistance is needed.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
37 citations
,
June 2021 in “Journal of the European Academy of Dermatology and Venereology” Adult skin quickly reacts to short-term environmental and internal stress, leading to various skin issues and the need for protective measures.
1 citations
,
October 2023 in “BMC Genomics” miRNAs in the Dlk1-Gtl2 region may improve lamb fur quality.
26 citations
,
December 1999 in “Journal of Investigative Dermatology” Certain genes are linked to wool follicle structure and function, but not hair cycle regulation.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
5 citations
,
July 2023 in “Frontiers in Veterinary Science” Combining PRP and MSCs improves skin healing and structure.
January 2024 in “JEADV Clinical Practice” Patients with certain skin diseases are willing to spend significant time on treatment, indicating a high impact on their lives and a need for better treatments.
January 2026 in “International Journal of Molecular Sciences” Lifestyle changes and environmental strategies can help address declining testosterone levels.
26 citations
,
February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
3 citations
,
April 2025 in “International Journal of Cosmetic Science” Healthier hair and scalp improve mental wellbeing.
May 2025 in “JEADV Clinical Practice” The cream effectively treats scalp psoriasis, improving symptoms and quality of life, with high patient satisfaction.
76 citations
,
July 2009 in “Neuroscience” Neurosteroids like allopregnanolone help control cell death and growth in the developing fetal brain.
11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.