Patch testing describes a procedure to help identify what ingredients might irritate a person’s skin. Many skin care products contain chemicals that can cause an allergic reaction when a person ...

Hi, hello, and welcome to your all-in-one guide to eyebrow tinting, including how long it lasts, how much it costs...and why it’s actually illegal in half of the country. Wha? Yup! Surprise! These are ...

The excitement of trying a new skincare product can quickly turn into disappointment when redness, itching, or irritation appears hours later. Whether it’s a promising eye cream, revolutionary serum, ...

It’s an all too common scenario: You’re excited to try your new skincare product, whether it’s an eye cream, serum, moisturizer, or body cream, and slather it all over, only to find yourself with a ...

Kelsey Cleave went for a tint just days before she was heading off on holiday ...

Using a new skin care product without testing it first can potentially cause allergic contact dermatitis, an inflammatory skin condition in which the immune system overreacts to an ingredient in the ...

If you regularly read skin care stories, you’ve probably come across the often-touted advice to patch test new products before trying them. (It’s certainly a suggestion SELF has made more than once!) ...