Citric acid is an alpha-hydroxy acid found naturally in citrus fruits such as oranges, lemons, limes and pomelos (R, R, R).
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Thickness |
A
|
|
|
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| Skin Hydration |
C
|
|
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| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Glycosaminoglycans |
A
|
|
|
|||||||
| Skin Cell Renewal |
C
|
|
|
|||||||
| Collagen |
E
|
|
|
|||||||
| Elastic Fibres |
E
|
|
|
|||||||
| Inflammation |
E
|
|
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