Where INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid really shines is active ingredient strength, scoring 5.9 compared to Jack Black Protein Booster Skin Serum's 5.3. Its formula features Glycolic Acid, Gluconolactone, and Ectoin in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Jack Black Protein Booster Skin Serum scores 7.8 here versus 7.4 for INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid. That difference comes down to how each formula is built — the ingredient list tells the story.
INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid brings Glycolic Acid, Gluconolactone, and Ectoin as actives, while jack Black Protein Booster Skin Serum relies on Camellia Sinensis Leaf Extract, Dipeptide Diaminobutyroyl Benzylamide Diacetate, and Retinyl Palmitate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the premium bracket, so value comes down to formulation quality. INNBEAUTY PROJECT Skin Prep Brightening & Exfoliating Pads with Glycolic Acid gets the nod here with its 8.8 overall score — you're getting more for a similar outlay.