152 citations
,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
10 citations
,
June 2001 in “International Journal of Cosmetic Science” Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.
1 citations
,
October 2023 in “Skin Research and Technology” Hair sunscreens were less effective than expected, especially for dark hair.
85 citations
,
January 2002 in “Dermatologic Clinics” Lasers and intense pulsed light can safely and effectively remove hair by targeting hair follicles.
86 citations
,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
50 citations
,
February 2004 in “Journal of Investigative Dermatology” June 2026 in “International Journal of Advanced Multidisciplinary Research and Studies” The new treatment for hair loss is effective and safer with fewer side effects.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
236 citations
,
January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
15 citations
,
January 2008 in “PubMed” Laser and IPL hair reduction is effective but requires multiple sessions and ongoing maintenance.
Bleaching hair twice makes it very dry and weak.
September 1941 in “The Science News-Letter” 7 citations
,
September 2021 in “Journal of Applied Polymer Science” Cuttlefish ink melanin protects hair from UV damage.
9 citations
,
June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
3 citations
,
August 2021 in “The Open Dermatology Journal” The herbal hair serum improves hair quality and growth, and is a good alternative to traditional cosmetics because it doesn't contain harmful chemicals like parabens and sulphates.
2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
January 1990 in “Advances in forensic haemogenetics” Human hair protein patterns are inherited genetically.
12 citations
,
December 1962 in “Journal of Investigative Dermatology” 1 citations
,
July 2019 in “Hair transplant forum international” Scalp Micropigmentation is a popular non-surgical method to make hair look fuller.
52 citations
,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
November 2019 in “Quality in primary care” Scalp micropigmentation is a tattooing method that can mimic a full head of hair without surgery and has no healing time.
15 citations
,
September 2014 in “Dermatologic surgery” Diode laser removes hair better but is more painful than intense pulsed light.
1 citations
,
December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
13 citations
,
January 1993 in “Archives of dermatological research” Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
40 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
February 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Scientific knowledge is crucial for safe and effective chemical hair procedures.
8 citations
,
May 2004 in “Facial plastic surgery clinics of North America” Laser hair removal is now more effective, but the best treatment schedule is still uncertain.
February 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Proper training and scientific knowledge are crucial for safe and effective chemical hair procedures.