157 citations
,
April 1997 in “International journal of legal medicine” Cosmetic hair treatments like bleaching and dyeing reduce drug levels in hair samples.
April 2023 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Direct heat perms cause more damage to hair than softening heat perms.
17 citations
,
January 2008 in “Journal of the American Academy of Dermatology” Valproic acid can cause hair loss, but information on hair color change is not detailed.
January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
21 citations
,
December 2023 in “Journal of Investigative Dermatology” Hair graying is caused by damage and cell depletion but might be temporarily reversible with drugs and hormones.
November 2025 in “Indian Journal of Nephrology” Hair dye may trigger anti-GBM disease relapse, and rituximab can help manage it.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
105 citations
,
April 2005 in “Cell” Hair graying happens because certain cells aren't maintained properly.
Lightly perming scalp hair can lead to new hair growth, potentially treating baldness.
March 2008 in “Journal of Clinical Dermatology” Micropigmentation is a good and safe method to improve the look of scalp and eyebrow scars.
6 citations
,
January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
5 citations
,
September 2021 in “PubMed” Hair removal methods vary in effectiveness and side effects, with electrolysis being the only permanent solution.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
11 citations
,
June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
5 citations
,
June 2019 in “British Journal of Dermatology” Chemical hair straightening may be linked to a type of permanent hair loss.
3 citations
,
January 2013 in “Journal of cosmetics, dermatological sciences and applications” HAIRCARECUBE TM (HCC) helps hair products work better by getting active ingredients deeper into the hair.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
Hair fibers degrade and change color in very basic water.
16 citations
,
February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
36 citations
,
October 1993 in “British Journal of Dermatology” Human hair follicles can grow in a lab for at least 9 days without serum, keeping their natural characteristics.
3 citations
,
July 2019 in “Supportive Care in Cancer” The lotion CG428 did not show effectiveness in treating permanent hair loss in breast cancer survivors.
9 citations
,
March 2005 in “Aesthetic surgery journal” The long-pulse alexandrite laser effectively removes hair permanently.
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.