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 Saint Jane Beauty Star Flower Hydration Serum with Niacinamide and Hyaluronic Acid's 3.5. Its formula features Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Saint Jane Beauty Star Flower Hydration Serum with Niacinamide and Hyaluronic Acid scores 8.5 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 saint Jane Beauty Star Flower Hydration Serum with Niacinamide and Hyaluronic Acid relies on Niacinamide. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At premium pricing with a score of 9.5, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid delivers strong value. Saint Jane Beauty Star Flower Hydration Serum with Niacinamide and Hyaluronic Acid sits at the luxury level with a 8.3 score — the extra cost doesn't translate to better scores here.
