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. 2024 Sep 27;14:22163. doi: 10.1038/s41598-024-73447-z

Fig. 3.

Fig. 3

Five-week oral supplementation of cysteine peptides suppressed the pigmentation at the UV-B irradiated area. ΔL*value was calculated as the difference between irradiated area and non-irradiated area. Changes from baseline in ΔL*value at the irradiated area 7 days after irradiation with 1.5 MED in the placebo group (gray) and cysteine peptides group (black) are indicated. *, p < 0.05; **, p < 0.01; ***, p < 0.001 using the unpaired t-test. Error bars indicate the standard error.