
Highlights
WHAT IS IT?
Vitamin C Serum with 5 key ingredients
FEATURES
Brightens, firms, provides antioxidant benefits, increases radiance and luminance, improves skin texture
BEST FOR
normal
CHECKS
Who Is It For?
Adults Not For Sensitive SkinWhat Does It Help With?
Dullness Firmness Skin Texture RadianceBudget
Affordable (under $30)How To Use
Which routine should it be used in?
Instructions:
Key Information
What PREQUEL Says
Product Description:
A radiance boosting vitamin C serum formulated with a potent blend of L-ascorbic acid, ferulic acid, ergothioneine, niacinamide and inulin that brightens, firms and provides ample antioxidant benefits for a glowing complexion.
About the Brand:
Ingredients Overview
Ingredients List
L-ascorbic-acid, ferulic-acid, ergothioneine, niacinamide, inulin
Key Ingredients
L-ascorbic acid, ferulic acid, ergothioneine, niacinamide, inulin
Ingredients Details
L-ascorbic Acid
Common Name(s): L-ascorbic acid,cosmetic active,established function
CAS Number: N/a
DESCRIPTION
What It Does: Delivers characteristic cosmetic function โ skin conditioning, antioxidant protection, active biological benefit, or formulation function โ at recommended use concentration.
Why It's Used: Selected for functional contribution and formulation compatibility supported by cosmetic science and regulatory safety data.
How It Works: Works through the mechanism of its molecular class โ physicochemical or biological interaction with skin proteins, lipids, or receptors as documented in peer-reviewed cosmetic literature.
Typically Found In: Skin care formulations
TECHNICAL DETAILS
Primary Category: Active ingredient โ cosmetic active
Secondary Functions: Skin conditioning
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.1%โ10%
SOURCING & ETHICS
Vegan Status: Conditional
Halal Status: Yes
Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: Well-tolerated by most skin types.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile at recommended concentrations. ewg score: 1โ2.
Works Well With: Standard skincare actives
Avoid Combining With: No known significant incompatibilities
SCIENTIFIC NOTE
L-ascorbic acid has an established safety and efficacy profile within the cosmetic regulatory framework at standard use concentrations.
Last Verified: Cosing database,l-ascorbic acid technical literature
Primary Sources: 2026-03-12