March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
January 2021 in “Social Science Research Network” The optimized microemulsion with finasteride and cinnamon oil can effectively deliver the drug through the skin without using ethanol.
132 citations
,
April 2007 in “European journal of pharmaceutics and biopharmaceutics” The microemulsion delivered the dye deeper into the skin than the cream.
54 citations
,
March 1991 in “Proceedings of the National Academy of Sciences” This model can replace animal testing for quick, cost-effective skin toxicity tests.
49 citations
,
September 2008 in “International journal of pharmaceutics” Artificial sebum L closely mimics human sebum for drug delivery research.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
18 citations
,
March 2014 in “Drug Development and Industrial Pharmacy” New gel formulas without ethanol and propylene glycol, containing a minoxidil-methyl-β-cyclodextrin complex, have been created for treating hair loss.
11 citations
,
May 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.
9 citations
,
May 2019 in “Vestnik dermatologii i venerologii” The method could improve vitiligo treatment by effectively delivering therapy to hair follicles.
8 citations
,
April 2012 in “Laser Physics Letters” Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
5 citations
,
March 2017 in “Laser Physics Letters” Different scalp imaging methods are important for studying hair and scalp health and require more volunteers for better evaluation.
4 citations
,
November 2024 in “Scientific Reports” 16-MHA can restore damaged hair's protective barrier and moisture balance.
4 citations
,
August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
3 citations
,
November 2021 in “Applied Microscopy” Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.
3 citations
,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
2 citations
,
January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
June 2023 in “Aesthetic Plastic Surgery” The PRECISE scale helps estimate how many grafts are needed for hair transplant based on the severity of hair loss.
June 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Combining finasteride with dimethyl-β-cyclodextrin improves its absorption and bioavailability.
April 2015 in “Plastic and Reconstructive Surgery” Activating TLR3 helps improve skin and hair follicle regeneration after wounds.
Oxidized hair can naturally regain strength and stability over six months.
Chemical treatments weaken hair's thermal stability and structure.
211 citations
,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.
159 citations
,
July 2014 in “Molecular pharmaceutics” New micelle nanocarriers deliver Tacrolimus more effectively to skin layers for psoriasis treatment than the current Protopic ointment.