When prepared as a dietary supplement, retinol is stabilized as the ester derivatives retinyl acetate or retinyl palmitate.
当制成膳食补充剂时，视黄醇稳定为乙酸视黄酯或棕榈酸视黄酯的酯衍生物。
For example, putting on a moisturizer before applying a sunscreen or a retinol cream can keep the active ingredient from soaking in.
举例来说，先擦保湿霜，然后再应用防晒霜或精纯维他命，这样可以防止活性成分渗入皮肤。
Supplements made from the liver of the fish, such as cod liver oil, contain the retinol form of vitamin a and need to be avoided altogether during pregnancy.
从鱼肝中提炼出来的产品，比方说鳕鱼的肝脏油，富含维他命a，这是怀孕中应该要避免使用的。
Lotion containing retinol was used on one arm of each participant, while a lotion without retinol was applied to the other arm.
将含维生素a的洗剂用在受试者一只胳膊上，而另一只胳膊应用不含维生素a的洗剂。
Lotion containing retinol was used on one arm of each participant, while a lotion without retinol was applied to the other arm.
将含维生素a的洗剂用在受试者一只胳膊上，而另一只胳膊应用不含维生素a的洗剂。
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