kojic acid is depigmentary agent and use mainly to treat pigmentation related problem
it is not advisable to use in baby skin as it do not match with baby skin ph and texture .
it may cause allergic reaction and make skin worse
so better to not use it
cetaphil is excellent bar and no one is doubt about its effect
it is specially design for sensitive skin so it can be use in baby skin safely
do not change soap frequently .
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