“Squalene is a moisturizing ingredient that’s generally well tolerated by all skin types and can be a great multitasker for your skin,” says Beleznay. Here are the potential benefits of adding squalene to your skin-care regimen.
Squalene Hydrates Skin
Because squalene in skin-care products is similar to the natural oils present in the skin, it’s better able to penetrate the skin barrier (the outermost layer). “If you have an oil that’s similar biologically to oils already in the skin, it dissolves easily and quickly through the top layer, where it can make a meaningful difference in skin,” explains Kavita Mariwalla, MD, a board-certified dermatologist in West Islip, New York.
The ingredient can also be used on skin that tends to be finicky when it comes to moisturizers, such as sensitive or oily skin, Dr. Mariwalla says.
Squalene Is Safe for Acne-Prone Skin
Some skin-care products contain ingredients that clog pores and contribute to acne. But squalene is noncomedogenic, meaning it’s safe for acne-prone skin, says Mariwalla.
Still, you can’t assume that every product with squalene is suitable for acne-prone skin. Read the label to ensure the entire formulation is noncomedogenic.
Squalene Reduces Irritation
“Beyond locking in moisture, squalene strengthens the skin barrier, reduces water loss, and soothes irritation, making it a reliable choice as a moisturizer,” says Helyn Alvarez, MD, a board-certified dermatologist at Westlake Dermatology in Austin, Texas.
Squalene May Provide Antioxidants
These antioxidants may also help repair the skin barrier, strengthening it to protect against future damage, says Mariwalla.
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