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MSM, or methylsulfonylmethane, is a sulfur-containing compound found in some supplements and skin-care products. Research on oral MSM does not establish that an MSM body cream removes cellulite, improves circulation or permanently tightens skin. Judge a topical product by its whole formula and relevant human testing.
Swallowing an ingredient, applying it in a cream and testing it on cells are different experiments. The amount reaching tissues, the delivery system and the outcome being measured can all differ.
The study of oral MSM and skin aging reported findings for a supplement, including facial appearance measures. It did not test a body butter for cellulite. That distinction remains important even when a product contains the same ingredient name.
| Evidence type | What it may help explain | What it cannot prove on its own |
|---|---|---|
| Laboratory or animal research | Possible mechanisms for further study | A visible result from an everyday body cream. |
| Oral MSM research | Effects of the studied oral dose and regimen | Topical cellulite removal or equivalent delivery through skin. |
| A complete topical-product trial | Results under that trial’s conditions | The same result for every product containing MSM. |
| A cosmetic ingredient list | That MSM is included | Its independent contribution to softness or firmness. |
A review of MSM applications discusses a wide range of research and limitations. Patents, traditional claims and a plausible mechanism should not be treated as clinical proof for every proposed use.
That wording goes beyond the evidence reviewed here. Cellulite reflects skin and underlying tissue structure; it is not trapped toxins that a sulfur ingredient needs to remove. Improving a dry surface can change how it feels without removing the structures behind dimpling.
MSM should also not be presented as a treatment for cellulitis, which is a different medical condition. New warmth, pain, swelling or a spreading skin change needs assessment.
Ask what the product is intended to do and whether any cited study tested that finished formula on the body. Look at the moisturizing ingredients and your tolerance for fragrance and actives. If the evidence concerns a supplement, it cannot answer whether the cream is the right moisturizer for you.
Flawlessly Firm™ Toning Body Butter includes MSM, but its moisturizing formula should not be described as proven to remove cellulite because of that inclusion. For formula details and suitability, use the body moisturizer buying guide.
Choose body care for a benefit you can assess sensibly: comfort, spread, surface softness and tolerance. Avoid adding an oral supplement solely to support an unproven cosmetic claim. A clinician or pharmacist can advise on supplement questions and interactions when relevant.
By Herbal Dynamics Beauty • Updated September 24, 2026
