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Acid

What Acid is & what it does

Acid is a generic ingredient label rather than a specific named compound, and on its own it does not identify a particular substance. In a properly disclosed formula the exact acid would normally be named, for example citric acid or lactic acid, each with its own role. Because this entry is unspecified, no definite function or property can be confidently assigned to it.

What does Acid do in skincare?

Acid on its own is a generic label and does not name a specific ingredient, so a precise function cannot be given. In a fully disclosed formula the exact acid would normally be named, such as citric acid or lactic acid, each with its own role like pH adjustment or exfoliation.

Is Acid safe?

Because Acid is an unspecified label rather than a named compound, no specific safety assessment can be made from this entry alone. Safety depends entirely on which acid is actually present and at what concentration. For any concern, check the full ingredient list and consult a qualified professional.

Is Acid natural or synthetic?

This cannot be determined from the generic label, since acids used in cosmetics can be either naturally derived or synthetic. The specific named acid in a formula would need to be identified before its origin could be described.

Sunscreens with Acid

We rate 5 sunscreens that contain it:

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