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INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores 8.4/9.8 and Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ scores 8.4/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.0 points apart.
Scores last verified: June 2026
33 unique
34 unique
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ scores 8.0 here versus 5.8 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 isntree Hyaluronic Acid Watery Sun Gel SPF 50+ relies on Niacinamide, Ceramide Np, and Centella Asiatica Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is better if you have
Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ is better if you have
At premium pricing with a score of 8.4, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is a decent pick. Isntree Hyaluronic Acid Watery Sun Gel SPF 50+ sits at the budget level with a 8.4 score — the extra cost doesn't translate to better scores here.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
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.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.