In Korea, a higher proportion of respondents has dry skin, whereas in the US and Japan,
a higher proportion of respondents has combination and neutral skin.
The US has a relatively high proportion of oily skin respondents, and Japan has a relatively high proportion of neutral skin respondents.
Even within a single country, skin types tend to vary depending on age,
with Korean females displaying a particularly substantial age-dependent difference.
In both Korea and Japan, the proportion of females with dehyrated oily skin and
oily skin was relatively higher in the age group 20 to 24.
A higher proportion of females have skin-related concerns in Korea,
whereas in Japan, this proportion is relatively low.
In Korea, a high proportion of consumers is concerned with wrinkles, dryness, pigmentation, reduced firmness, skin tone, whereas in the US,
more are concerned with breakouts, sebum, and scars.
Skin concern type by age seems to be similar across all three countries.
The older the respondent, the bigger the concern for wrinkles and reduced firmness. The younger the respondent, the bigger the concern for enlarged pores.