Jung, J. A. et als.
Plastic and Reconstructive Surgery: August 2019 – Volume 144 – Issue 2 – p 347-356
Hyperpigmentation following ultraviolet irradiation has cosmetic concerns. Botulinum toxin type A can favorably affect skin pigmentation. However, the mechanism of skin pigmentation is unclear.
Recent clinical reports have suggested favorable effects of botulinum toxin type A on skin pigmentation. In one study, three patients treated with repeated botulinum toxin type A injection developed porcelain discoloration of the periocular skin.
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