Compare Products: C.E.O. 15% Vitamin C Brightening Serum vs Vitamin C Suspension 23% + HA Spheres 2%
Who It's Designed For
- Those who want a stable vitamin C that will not oxidize or change color
- Users who find L-ascorbic acid serums too irritating or acidic
- People who enjoy a citrus-scented skincare experience
- Those seeking a vitamin C serum that does not require refrigeration
- Users looking for a luxurious texture that layers well under makeup
- Experienced vitamin C users who want maximum potency at minimum cost
- Those who have built tolerance to lower vitamin C concentrations
- Users willing to work with a challenging texture for strong active delivery
- Budget-conscious shoppers seeking L-ascorbic acid at 23%
- People who use vitamin C as a nighttime treatment
Key Ingredients
15% Tetrahexyldecyl Ascorbate (THD Ascorbate), Squalane, Glycolic Acid, Tocopherol (Vitamin E), Saccharide Isomerate
23% L-Ascorbic Acid, 2% Sodium Hyaluronate (HA Spheres), Squalane
Product Composition
10% similarity (4 ingredients in common)
Only in Sunday Riley (22)▾
Only in The Ordinary (13)▾
User Feedback Patterns
Users consistently praise the lightweight oily texture that absorbs well and sits beautifully under makeup. The application experience is rated higher than most L-ascorbic acid serums.
The orange scent is frequently mentioned as a positive. Users who enjoy scented skincare rate this highly. However, fragrance-sensitive users avoid it.
Users appreciate that the golden color remains consistent throughout the product's life. No anxiety about darkening or wasting product due to oxidation.
Brightening results are described as gradual but visible over 4-8 weeks. Some users expecting the immediate 'glow' of L-ascorbic acid find the results slower.
Nearly all first-time users report significant stinging and tingling. This subsides for most within 1-2 weeks of regular use as skin builds tolerance.
Layering anything over this product commonly causes pilling. Users have found that applying it as the last step at night or mixing with a drop of oil reduces this issue.
Users who tolerate the texture report visible brightening, improved tone, and reduced dark spots. The $8 price point makes it a cult favorite despite the application challenges.
Due to texture and pilling issues, most users reserve this for nighttime use. It does not layer well under sunscreen or makeup.
Which Should You Buy?
The Ordinary Vitamin C Suspension 23% + HA Spheres 2% offers great value at a lower price point. Sunday Riley C.E.O. 15% Vitamin C Brightening Serum may be worth the premium if you want 15% Tetrahexyldecyl Ascorbate (THD Ascorbate).