Shikimic Acid

SHI

6/10

Concern level

Moderate concern

AHA Chemical

A naturally occurring cyclohexene carboxylic acid and metabolic intermediate found in plants and microorganisms. In cosmetics it is used as an acid/active with potential exfoliating and tone-improving roles, although it is far less established than classic AHAs. ([pubchem.ncbi.nlm.nih.gov](https://pubchem.ncbi.nlm.nih.gov/compound/Shikimic-Acid?utm_source=openai))

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Benefits

BrighteningImproves Texture

Chemical Properties

Molecular Weight

174.15 g/mol

pH Range

3.00 - 4.50

Typical Concentration

0.50% - 5.00%

CAS Number: 138-59-0

Skin Type Compatibility

dry skin4/10

oily skin7/10

sensitive skin3/10

acne prone7/10

mature skin7/10

normal skin6/10

Interactions

incompatible with: retinoids, other exfoliating acids, benzoyl peroxide, high-strength vitamin C (L-ascorbic acid)

Risks & Warnings

Because it is an acid, it may cause stinging, dryness, or irritation—especially on sensitive or impaired skin or when layered with other exfoliants. Use caution in leave-on formulas intended for reactive skin. ([pubchem.ncbi.nlm.nih.gov](https://pubchem.ncbi.nlm.nih.gov/compound/Shikimic-Acid?utm_source=openai))

Vegan Cruelty-Free