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GlossaryALA-PDT (Aminolevulinic Acid Photodynamic Therapy)

uses light-activated aminolevulinic acid to treat skin conditions

ALA-PDT, or Aminolevulinic Acid Photodynamic Therapy, is a medical treatment that uses a photosensitizing agent called aminolevulinic acid (ALA) combined with light exposure to target and destroy abnormal cells. This therapy is commonly used for treating certain skin conditions, including actinic keratosis and some types of skin cancer, by applying ALA to the affected area and then activating it with a specific wavelength of light, leading to the selective destruction of the abnormal cells.

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Treatment of Androgenetic Alopecia with 5-Aminolevulinic Acid Photodynamic Therapy: A Randomized, Placebo-Controlled, Split-Scalp Study of Efficacy and Safety

research Treatment of Androgenetic Alopecia with 5-Aminolevulinic Acid Photodynamic Therapy: A Randomized, Placebo-Controlled, Split-Scalp Study of Efficacy and Safety

2 citations, August 2021 in “Photodiagnosis and Photodynamic Therapy”

Using 5-aminolevulinic acid photodynamic therapy for hair loss didn't increase hair growth but slightly reduced scalp oiliness, and it was safe with mild side effects.