Compare Products: 10% Niacinamide Booster vs C.E.O. 15% Vitamin C Brightening Serum
Who It's Designed For
- Enlarged pores and uneven texture
- Uneven skin tone and dullness
- Post-acne marks and discoloration
- Fine lines and early aging concerns
- 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
Key Ingredients
Niacinamide (10%), Ascorbyl Glucoside (Vitamin C), Licorice Root Extract
15% Tetrahexyldecyl Ascorbate (THD Ascorbate), Squalane, Glycolic Acid, Tocopherol (Vitamin E), Saccharide Isomerate
Product Composition
19% similarity (9 ingredients in common)
Only in Paula's Choice (18)▾
Only in Sunday Riley (20)▾
User Feedback Patterns
The watery, almost runny texture surprises some users. It can feel like it's not "doing" anything. The brand intends for it to be mixed with other products, which helps with application.
At roughly 7x the price of The Ordinary's niacinamide serum, value is a common discussion point. Users who prefer it cite the more elegant texture, additional beneficial ingredients, and lack of pilling.
Most users report noticing effects (smoother skin, smaller-looking pores, more even tone) after several weeks of consistent use rather than immediate results.
The booster format gets consistent praise for layering easily. Users report no issues combining it with retinol, acids, or other actives.
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.
Which Should You Buy?
Paula's Choice 10% Niacinamide Booster 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).