Can Allantoin 0.5% gel remove freckles? Can women use it?

Allantoin0.5% (Allantoin 0.5%) is generally considered a mild ingredient, but caution should be considered before using any cosmetics or skin care products during pregnancy, and preferably with the advice of an obstetrician-gynecologist or dermatologist. Although allantoin is generally considered a safe ingredient, pregnant women's skin may become more sensitive and easily irritated during pregnancy. Pregnant women's skin may have allergic reactions or adverse reactions to certain chemical ingredients. Although allantoin is not generally considered a skin irritant for pregnant women, it is best to conduct an allergy test before use.