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Original Research

Seasonal skin darkening in Chinese women: the Shanghaiese experience of daily sun protection

, , , , , , , , & show all
Pages 151-158 | Published online: 31 May 2013

Figures & data

Figure 1 Changes in lightness (L*) from winter to summer in both groups, sun-protected group vs control group.

Abbreviations: NS, not significant; S, significant.
Figure 1 Changes in lightness (L*) from winter to summer in both groups, sun-protected group vs control group.

Figure 2 Changes in b* (yellowness) from winter to summer 2011 in both groups, sun-protected group vs control group.

Abbreviations: NS, not significant; S, significant.
Figure 2 Changes in b* (yellowness) from winter to summer 2011 in both groups, sun-protected group vs control group.

Figure 3 Changes in individual typological angle (ITA) from winter to summer 2011 in both groups, sun-protected vs control group.

Abbreviations: NS, not significant; S, significant.
Figure 3 Changes in individual typological angle (ITA) from winter to summer 2011 in both groups, sun-protected vs control group.

Figure 4 (A) Chromasphere picture for efficacy demonstration with photoprotection. (B) Picture for efficacy demonstration without photoprotection.

Note: T0 baseline meaning winter, T6 month meaning summer after 6 months.
Figure 4 (A) Chromasphere picture for efficacy demonstration with photoprotection. (B) Picture for efficacy demonstration without photoprotection.

Figure 5 Changes in the red/green component (a*) from winter to summer 2011 in both groups, sun-protected vs control group.

Abbreviations: NS, not significant; S, significant.
Figure 5 Changes in the red/green component (a*) from winter to summer 2011 in both groups, sun-protected vs control group.

Figure 6 Changes in skin lightness (L*) from winters to summers 2008 and 2011 on the same group of women, with and without photoprotection product.

Abbreviations: NS, not significant; S, significant.
Figure 6 Changes in skin lightness (L*) from winters to summers 2008 and 2011 on the same group of women, with and without photoprotection product.

Figure 7 Changes in b* (yellowness) from winters to summers 2008 and 2011 on the same group of women, with and without photoprotection product.

Abbreviations: NS, not significant; S, significant.
Figure 7 Changes in b* (yellowness) from winters to summers 2008 and 2011 on the same group of women, with and without photoprotection product.

Figure 8 Changes in individual typological angle (ITA) from winters to summers 2008 and 2011 on the same group of women, with and without photoprotection product.

Abbreviations: NS, not significant; S, significant.
Figure 8 Changes in individual typological angle (ITA) from winters to summers 2008 and 2011 on the same group of women, with and without photoprotection product.