Sorbic Acid

소르빅애씨드

OKpreservative

A preservative used to inhibit the growth of mold and yeast.

What is Sorbic Acid?

CAS Number

110-44-1

Formula

C6H8O2

Molecular Weight

112.13 g/mol

Also known as: sorbic acid, (2E,4E)-hexa-2,4-dienoic acid, Sorbistat, Panosorb, Hexadienoic acid

What does Sorbic Acid do for skin?

Sorbic acid functions as an antimicrobial preservative in cosmetic formulations. Its efficacy primarily stems from inhibiting microbial growth (bacteria, yeasts, and molds) by interfering with key metabolic pathways, such as disrupting enzyme systems (e.g., catalase, succinate dehydrogenase) and inhibiting spore germination. It works most effectively in its un-dissociated form, which readily penetrates microbial cell membranes at acidic pH levels (typically below 6.5), leading to intracellular acidification and cessation of cellular functions, thereby preventing product spoilage.

Typical concentration: 0.05-0.6% (most formulas use 0.1-0.2%)

Is Sorbic Acid safe?

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed sorbic acid and concluded it is safe as used in cosmetics. It is generally well-tolerated, with a low potential for skin irritation or sensitization, though rare cases of contact dermatitis have been reported.

What does the research say about Sorbic Acid?

Regulatory Info

Status: Restricted
All Ingredients

Frequently Asked Questions

What does Sorbic Acid do in skincare?+

A preservative used to inhibit the growth of mold and yeast. Sorbic acid functions as an antimicrobial preservative in cosmetic formulations. Its efficacy primarily stems from inhibiting microbial growth (bacteria, yeasts, and molds) by interfering with key metabolic pathways, such as disrupting enzyme systems (e.g., catalase, succinate dehydrogenase) and inhibiting spore germination. It works most effectively in its un-dissociated form, which readily penetrates microbial cell membranes at acidic pH levels (typically below 6.5), leading to intracellular acidification and cessation of cellular functions, thereby preventing product spoilage.

Is Sorbic Acid safe for sensitive skin?+

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed sorbic acid and concluded it is safe as used in cosmetics. It is generally well-tolerated, with a low potential for skin irritation or sensitization, though rare cases of contact dermatitis have been reported.

What percentage of Sorbic Acid should I look for?+

Look for products with 0.05-0.6% (most formulas use 0.1-0.2%) for clinical efficacy.