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. 2025 Oct;24(10):e70450.
doi: 10.1111/jocd.70450.

Comparison of Visible Light-Protective Tinted Sunscreen to Untinted Sunscreen to Protect Melasma Patients During Summer: A Prospective Randomized Investigator-Blinded Study

Helena Polena  1 , Catherine Queille-Roussel  2 , Christelle Graizeau  1   3 , Luc Duteil  2 , Michèle Sayag  1 , Thierry Passeron  4   5
Affiliations

Comparison of Visible Light-Protective Tinted Sunscreen to Untinted Sunscreen to Protect Melasma Patients During Summer: A Prospective Randomized Investigator-Blinded Study

Helena Polena et al. J Cosmet Dermatol. 2025 Oct.
No abstract available

Keywords: melasma; photoprotection; skin pigmentation; tinted sunscreen; visible light.

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Conflict of interest statement

H.P., C.G., and M.S. are or were employees of NAOS. T.P. has received honoraria from Beiersdorf, Galderma, L'Oréal, Hyphens, ISIS Pharma, ISDIN, NAOS, Pierre Fabre, SUN Pharma, SVR, and Symrise.

Figures

FIGURE 1
FIGURE 1
Evolution of (a) ∆L* and L* (lightness), (b) ∆ITA° and ITA° (pigmentation), and (c) ∆E (color homogeneity) parameters. For all parameters, variations (∆) between the melasma affected and unaffected areas in the untinted and tinted groups are presented as histograms. Mean parameter values (L* and ITA°) for the melasma affected and unaffected areas in the untinted and tinted groups are presented as dots and lines. Inter‐group differences (°) were assessed using unpaired t‐test at identical timepoints. Intra‐group differences (*) versus baseline were analyzed using Dunnett's adjustments for variations (∆) and paired t‐test for L* and ITA°. Statistical differences are reported with * or °: p < 0.05, **: p < 0.01, and ***: p < 0.001.
FIGURE 2
FIGURE 2
Photographs of two subjects who applied the untinted or the tinted sunscreen for 5 months.
See this image and copyright information in PMC

References

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