Cyclopentasiloxane is a volatile silicone that improves slip and reduces heavy or greasy feel.
It spreads ingredients very evenly, then largely evaporates, leaving a smooth finish. It is a sensory/vehicle ingredient rather than a skin-treatment active.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
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