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Common Name(s): Riboflavin tetraacetate,riboflavin tetraacetate,riboflavin ester,acetylated vitamin b2

CAS Number: N/a

DESCRIPTION

What It Does: Provides riboflavin fad/fmn cofactor activity via rapid acetate hydrolysis, with acetyl groups providing moderate sc penetration enhancement over free riboflavin.

Why It's Used: Riboflavin tetraacetate occupies the middle ground between free riboflavin (low penetration) and tetrabutyrate (high penetration, slow hydrolysis) โ€” four acetate groups provide rapid sc esterase hydrolysis with improved lipid phase delivery.

How It Works: Riboflavin tetraacetate โ†’ rapid sc esterase hydrolysis โ†’ riboflavin โ†’ fmn/fad cofactor pathway โ†’ antioxidant enzyme support.

Typically Found In: Antioxidant skin care

TECHNICAL DETAILS

Primary Category: Active ingredient โ€“ antioxidant

Secondary Functions: Free radical scavenging,anti-aging

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.01%โ€“1%

SOURCING & ETHICS

Vegan Status: Yes

Halal Status: Yes

Source Notes: Plant-derived extract or synthetic.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 โ€“ very low

Comedogenicity Rating: 0/5 โ€“ non-comedogenic

Sensitivity Concerns: Non-irritating; well-tolerated.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Excellent safety profile. ewg score: 1.

Works Well With: Vitamin c,vitamin e,ferulic acid,spf,other antioxidants

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Acetate ester hydrolysis rate is significantly faster than butyrate โ€” tetraacetate provides a faster-onset riboflavin release profile.

Last Verified: 2026-03-22

Primary Sources: Cosing database,riboflavin tetraacetate vitamin b2 review