Dehydroxyacetic Acid
Dehydroxyacetic Acid
DEH
8/10
Concern level
High concern
Synthetic preservative used in cosmetics to inhibit fungal and some bacterial growth. It is valued in preservative blends and natural-style formulations because it is effective at low use levels and is generally low in irritation potential when properly formulated.
Pore-clogging
Non-comedogenic
Pregnancy
Safe
Regulatory
No data
Benefits
Antiseptic
Chemical Properties
Molecular Weight
168.15 g/mol pH Range
4.00 - 8.00Typical Concentration
0.10% - 0.60%CAS Number: 520-45-6
Skin Type Compatibility
dry skin7/10
oily skin8/10
sensitive skin7/10
acne prone8/10
mature skin7/10
normal skin8/10
Interactions
incompatible with: No specific cosmetic ingredient incompatibilities are well established, but preservative performance can be reduced by poor pH control or incompatible preservative systems., Use caution when pairing with highly reactive formulas or ingredients that destabilize preservative systems; validate via challenge testing.
Risks & Warnings
Can cause mild skin or eye irritation in some users, especially on compromised skin or in leave-on products with higher preservative load. Not intended as a treatment active. Avoid use in products that are not formulated to preserve appropriately, as preservative efficacy depends on the full system and pH.
Vegan Cruelty-Free
