53 citations,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” Microneedling combined with triamcinolone can safely stimulate faster hair regrowth in people with Alopecia Areata.
136 citations,
January 2013 in “International Journal of Trichology” 
5 citations,
September 2012 in “Springer eBooks” Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.
The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
211 citations,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.
5 citations,
November 2008 in “Advances in Dermatology” The review highlights the importance of stem cells in hair health and suggests new treatment strategies for hair loss conditions.
48 citations,
May 2008 in “Drug Discovery Today: Disease Mechanisms” Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.
127 citations,
June 2006 in “International Journal of Pharmaceutics” Liposomes and niosomes improve finasteride delivery for hair loss treatment.
224 citations,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
141 citations,
November 2005 in “International journal of pharmaceutics” Hair follicles may soon be used more for targeted and systemic drug delivery.
162 citations,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The new "differential stripping" method effectively measures how much substance gets into hair follicles.
64 citations,
April 2005 in “Journal of Investigative Dermatology” Topical oligonucleotide therapy targets hair follicles effectively.
26 citations,
January 2005 in “PubMed” RUM-loaded SLN shows promise for treating acne and hair loss topically.
316 citations,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
405 citations,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
44 citations,
April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
47 citations,
January 2003 in “Pharmaceutical Research” 
24 citations,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
68 citations,
March 2002 in “Journal of pharmaceutical sciences” Nonionic liposomes are the best for delivering genes to skin cells.
55 citations,
January 2002 in “Journal of liposome research” New liposomal formulations may improve delivery of treatments to hair follicles, potentially helping with hair loss.
88 citations,
July 2001 in “British journal of dermatology/British journal of dermatology, Supplement” The method effectively measures lipid changes and drug effects on skin follicles.
72 citations,
January 2001 in “Drugs” Minoxidil and finasteride treat hair loss; more research needed for other options.
124 citations,
April 2000 in “Nature biotechnology” 99 citations,
April 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles help skin immune recovery after UVB exposure.
60 citations,
February 1997 in “Journal of Dermatological Science” Liposomes can safely and effectively deliver substances to mouse hair follicles, potentially useful for human hair treatments.
23 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain chemicals and peptides can promote hair growth or prevent baldness.
34 citations,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
