Synthetically produced from vitamin A, retinol is a member of the larger class of retinoids. With the help of specific enzymes present in the skin, this substance will transform into retinoic acid ...

“Retinal is more potent as it is closer to retinoic acid in the conversion process, leading to faster and more noticeable ...

Vitamin A is known for its claims to fight acne, dark spots, fine lines and dullness.

减脂反而导致了【老态】，已经在临床届的“网红药物”司美格鲁肽的效果中印证： 在使用【司美格鲁肽】快速瘦身成功的人群中，不仅出现了反弹，而且看上去貌似都“老了几岁”。这种由于体重快速下降而伴随的皮肤松弛、皱纹增多，在欧美已经有了一个统称——司美脸（Ozempic Face）： ...

The following is a summary of “Transient stabilization of human cardiovascular progenitor cells from human pluripotent stem cells in vitro reflects stage-specific heart development in vivo,” published ...

Plus, the SoonJung line from the brand Etude is backed by 30 years of sensitive skin research. This means that it's safe for ...

Retinoic acid (RA) is one of several molecules that pattern vertebrate embryos by forming an anterior to posterior (A–P) concentration gradient. The issue of whether RA is a classical morphogen ...

上世纪90年代中叶，美国明尼苏达州新村学校（New Country School）的一个小孩，捉到了一只三条腿的青蛙。自此，一出具有科幻色彩和惊悚气质的大戏拉开了帷幕，至今还未完结。 三条腿的蛤蟆？有的是！

As with all retinoids (the umbrella term for all vitamin-A derivatives), tretinoin helps regulate skin cell turnover, which ...

Whether you have acne-prone, sensitive or melanated skin, there is a retinol solution for you You can save this article by ...

这是因为如果没有肉类，它们可能会缺乏某些营养素，例如牛磺酸、精氨酸（Arginine）、花生四烯酸（Arachidonic acid）和维生命A酸（Retinoic acid），这 ...