INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid vs Les Cosmetiques Serum booster plan
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores 9.7/9.8 vs Les Cosmetiques Serum booster plan at 7.8/9.8. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid wins for active ingredients.
Head to head
Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid
Serum booster plan
Score comparison
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid takes this one, winning 3 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Les Cosmetiques WINSIrritation Risk
INNBEAUTY PROJECT WINSActive Ingredient Strength
INNBEAUTY PROJECT WINSIngredient Transparency
Les Cosmetiques WINSFormulation Safety
INNBEAUTY PROJECT WINSIngredient face-off
16% overlapOnly in INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid
35 unique
Shared ingredients
7 in common
Only in Les Cosmetiques Serum booster plan
36 unique
Why INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid comes out ahead
Where INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid really shines is active ingredient strength, scoring 9.8 compared to Les Cosmetiques Serum booster plan's 4.6. Its formula features Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Les Cosmetiques Serum booster plan scores 8.4 here versus 6.3 for INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid. That difference comes down to how each formula is built — the ingredient list tells the story.
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid brings Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid as actives, while les Cosmetiques Serum booster plan relies on Niacinamide, Tocopheryl Acetate, and Allantoin. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Tetrahexyldecyl Ascorbate does the heavy lifting
- Anyone who prefers clean, well-vetted formulations
Les Cosmetiques Serum booster plan is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Anyone who prefers clean, well-vetted formulations
Value comparison
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid comes in at premium pricing with a 9.7 score, which is solid value at that tier.
Our verdict
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid wins this comparison with a meaningfully stronger ingredient profile and overall score.
Frequently asked questions
Which is better: INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid or Les Cosmetiques Serum booster plan?
Based on ingredient analysis, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores higher overall. See the full score breakdown above for details on each attribute.
Do INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid and Les Cosmetiques Serum booster plan share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid and Les Cosmetiques Serum booster plan?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.