My skin feels tight and lacking in moisture.

我的皮肤感觉紧巴巴的，缺乏水分。

《柯林斯英汉双解大词典》

With all this moisture, it feels very muggy outside.

由于湿气很重，外面很闷热。

youdao

Repair damaged collagen, smoothen wrinkles and brightens skin. Increase skin moisture content, firms and enhance skin elasticity to make skin around the eye area feels softer and smoother.

良好的皮肤穿透性及活化细胞、修复受损的胶原纤维，抚平皱纹增加肌肤光泽，提高肌肤含水量，紧致、提升眼周肌肤弹力，使眼周肌肤平滑细致、莹亮白晳、水嫩紧致。

youdao

It works by heating the moisture in a person's skin to the point where it feels, according to Kelley Hughes, an official at the directorate who volunteered to act as a guinea pig, like opening a hot oven.

ECONOMIST: Electromagnetic weapons