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Dimethyl Sulfone

What Dimethyl Sulfone is & what it does

Dimethyl Sulfone, also known as methylsulfonylmethane or MSM, is an organic sulfur compound that appears as an odorless white crystalline powder. In skincare and sunscreen formulas it is used mainly as a conditioning and humectant-type ingredient that can help soften the skin surface. It is highly water-soluble, which makes it easy to incorporate into aqueous formulations.

What does Dimethyl Sulfone do in skincare?

Dimethyl Sulfone, often called MSM, acts mainly as a skin-conditioning and humectant-type ingredient in cosmetic formulas. It can help soften the skin surface and is often included in soothing and moisturizing products. Because it is highly water-soluble, it blends easily into water-based formulations.

Is Dimethyl Sulfone safe?

Dimethyl Sulfone is widely used in cosmetics and is generally considered safe for topical use at the concentrations found in skincare products. As with any ingredient, individual sensitivities are possible. If you have specific concerns, it is best to consult a qualified professional.

Is Dimethyl Sulfone natural or synthetic?

Dimethyl Sulfone occurs naturally in some plants and is also present in the human body in trace amounts. The ingredient used in cosmetics is most often produced synthetically to ensure purity and consistency. Both forms share the same chemical structure.

Sunscreens with Dimethyl Sulfone

We rate 8 sunscreens that contain it:

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