January 2005 in “Elektronische Hochschulschriften der LMU München (Ludwig-Maximilians-Universität München)” Topical immunotherapy with DPCP is most effective for certain alopecia areata types, with success linked to age and disease duration, and influenced by a gene polymorphism.
Caffeine in Alpecin shampoo may help prolong hair root activity and reduce hair loss.
1 citations
,
February 2018 in “Psicologia e Saúde em Debate” The caffeine shampoo formulation is stable and suitable for treating hair loss.
The caffeine shampoo for hair loss is stable and suitable for use.
5 citations
,
October 2020 in “Giornale italiano di dermatologia e venereologia” The phyto-caffeine shampoo reduced hair loss and improved hair strength in women with hair thinning.
March 2023 in “Reactions Weekly” 
May 2024 in “Journal of cosmetic dermatology” A shampoo with caffeine and adenosine may help prevent hair loss and thicken hair.
8 citations
,
January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
1 citations
,
July 2023 in “Cosmetics” The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.
92 citations
,
January 1998 in “Dermatology” Ketoconazole shampoo improves hair growth and reduces oil similarly to minoxidil in male pattern hair loss.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
Caffeine can potentially treat common hair loss by counteracting hair follicle shrinkage caused by hormones.
3 citations
,
April 2019 in “Journal of Dermatological Treatment” Caffeine shows promise for treating some types of hair loss, but more research is needed.
May 2025 in “International Journal of Cosmetic Science” Caffeine and adenosine in shampoo may boost hair growth and change scalp microbes and lipids.
1 citations
,
July 2017 in “Journal der Deutschen Dermatologischen Gesellschaft” Topical caffeine improves hair loss intensity, speed, and shedding, and works better with minoxidil/azelaic acid.
January 2010 in “Research and Practice on Chinese Medicines” Coffee extract and caffeotannic acid can help treat hair loss.
February 2025 in “Healthcare” Caffeine may help with hair loss, but more research is needed.
1 citations
,
September 2017 in “Revista de la Sociedad Química del Perú” The shampoo with Urtica urens L. extract reduced hair loss and didn't irritate the skin.
1 citations
,
April 2022 in “Toxicology and Environmental Health Sciences” The shampoo with salicylic acid, panthenol, and niacinamide is effective and safe for preventing hair loss in people with alopecia.
11 citations
,
July 2012 in “International Journal of Trichology” Caffeine may help hair growth in hereditary hair loss.
July 2022 in “International Journal of Applied Pharmaceutics” The optimized caffeine formula improved hair growth and penetrated all skin layers.
November 2021 in “Research Square (Research Square)” The new caffeine cream works better for hair growth than existing products.
August 2021 in “Asian Journal of Pharmaceutical and Clinical Research” Plant extracts in shampoo improved hair thickness and density in men with hair loss.
1 citations
,
January 2016 in “Der pharmacia lettre” Eclipta alba extracts in shampoo can help hair growth and fight dandruff.
Most ingredients in hair loss shampoos lack strong evidence of effectiveness.
1 citations
,
August 2020 in “British Journal of Dermatology” Caffeine may protect hair follicles from stress-related hair loss.
December 2024 in “Ukrainian Journal of Dermatology Venerology Cosmetology” "Alpenta" effectively reduces hair loss and improves hair growth in women with telogen effluvium.
November 2025 in “Cosmetics” Most trichological shampoo ingredients lack strong evidence for effectiveness against hair loss.
May 2003 in “Journal of clinical oncology”