TLDR Combining light therapy, acid, and microneedling improves hair regrowth in stubborn hair loss cases.
The study evaluated the effectiveness of combining photodynamic therapy (PDT) with 5-aminolaevulinic acid (ALA) and microneedling (MN) in treating alopecia areata (AA) that is resistant to conventional therapies. The combination therapy provided better results in terms of hair regrowth in the treatment of moderate to severe AA. The study involved 41 patients and suggests that this combination therapy may be a promising treatment option for AA.
182 citations,
December 2017 in “Journal of the American Academy of Dermatology” Some treatments can help with a hair loss condition called alopecia areata, but none ensure lasting results; choices depend on the person, with JAK inhibitors showing promise for severe cases.
7 citations,
June 2017 in “The Journal of Dermatology” 
14 citations,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” Scalp Roller therapy helped improve hair growth in patients with hard-to-treat alopecia areata.
27 citations,
May 2010 in “Dermatologic surgery” Photodynamic therapy with methyl 5-aminolevulinic acid is ineffective for treating alopecia totalis.
April 2019 in “International journal of research in dermatology” A child with rough nails also had hair loss and allergies.
37 citations,
October 2017 in “Clinical and Experimental Dermatology” Oral tofacitinib shows promise in treating atopic dermatitis and alopecia areata, but only slight improvement in vitiligo.
18 citations,
January 2010 in “Dermatology Research and Practice” DPCP treatment for alopecia areata can sometimes cause vitiligo.
