undefined 1
undefined 2
undefined 3
undefined 4
undefined 5
undefined 6
dehydroacetic acid
AKA “Dehydroacetic acid”
Acid
Ingredient Facts
Dehydroacetic acid
Acid · Preservative · EWG: 1
Plant-Derived Synthetic
Preservative
Acid
Clean
3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione
CAS #
520-45-6, 771-03-9, 16807-48-0
Form
Liquid
See origin →
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Preserves Formula
Antioxidant Protection
Fights Bacteria
Prevents microbial growth
Traditional Use
Developed in the early 20th century as a synthetic preservative for cosmetics and food products. Created to address the need for stable, shelf-stable antimicrobial agents in place of less reliable natural preservation methods.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
1
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
0.6%
0%1%
Reg. Limit
EU regulatory limit: 0.6%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 13.
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Brightening Bubbling Cleanser
Alpyn Beauty
 →
Melt Moisturizer
Alpyn Beauty
 →
Line-Filling Eye Balm
Alpyn Beauty
 →
Super Sculpt Serum
Alpyn Beauty
 →
Double Polishing Peel
Alpyn Beauty
 →
The Radiance Ritual
Alpyn Beauty
 →
the body duo
Agent Nateur
 →
the lash growth duo
Agent Nateur
 →
holi (water) crème
Agent Nateur
 →
the anti aging day and night ritual
Agent Nateur
 →
lactic acid cleanser duo
Agent Nateur
 →
the vitamin c and hyaluronic brightening duo
Agent Nateur
 →
holi (lift) ageless lifting and firming serum deluxe mini
Agent Nateur
 →
holi (water) crème deluxe mini
Agent Nateur
 →
the after (glow) set: ruby
Agent Nateur
 →
the after (glow) set: rose quartz
Agent Nateur
 →
Botanical C Body Polish
One Love Organics
 →
[Travel Size] Gentle Gel Facial Cleanser (50mL)
Grown Alchemist
 →
Regenerating Night Cream (40mL)
Grown Alchemist
 →
Power Duo
Grown Alchemist
 →
Smooth + Sculpt Set
Grown Alchemist
 →
Gentle Gel Facial Cleanser (100mL)
Grown Alchemist
 →
Hoppin’ Fresh Body Wash
Ursa Major
 →
Stellar Shave Cream
Ursa Major
 →
Free Gift: Botanic Buzz Hand Wash
Ursa Major
 →
Alpine Rich Cream | Dry Skin's Dream Come True – Ursa Major Skincare
Ursa Major
 →
Botanic Buzz Hand Wash
Ursa Major
 →
Botanic Buzz Body Lotion
Ursa Major
 →
True Skin Radiant Priming Serum
ILIA Beauty
 →
Shaving Gel
Credo Beauty
 →
Roll-On Deodorant – Icelandic Moss Extract, Sage Complex
Credo Beauty
 →
Stellar Shave Cream
Credo Beauty
 →
Suspended Sparkle Balm Last Call
MOB Beauty
 →
Blush Last Call
MOB Beauty
 →
Cream Clay Blush Last Call
MOB Beauty
 →
Cream Clay Eyeshadow Last Call
MOB Beauty
 →
Eyeshadow Last Call
MOB Beauty
 →
Blurring Blot Balm & Primer
MOB Beauty
 →
The Neutrals Eye Essentials Palette
MOB Beauty
 →
Blush
MOB Beauty
 →
Cream Clay Bronzer
MOB Beauty
 →
Bronzer
MOB Beauty
 →
Blurring Ceramide Cream Foundation
MOB Beauty
 →
Cream Clay Blush
MOB Beauty
 →
Volumizing Mascara
MOB Beauty
 →
Cream Clay Eyeshadow
MOB Beauty
 →
Suspended Sparkle Balm
MOB Beauty
 →
Soft Focus Blurring Blush
ILIA Beauty
 →
The Ethereal Baked Face Palette
ILIA Beauty
 →
Verified Jun 2026
Data: CosIng · EWG · CIR