innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging vs Jack Black Protein Booster Skin Serum
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores 9.1/9.8 vs Jack Black Protein Booster Skin Serum at 8.5/9.8. innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging wins for ingredient transparency.
Head to head
Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging
Protein Booster Skin Serum
Score comparison
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
innisfree WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
Jack Black WINSFormulation Safety
TIEIngredient face-off
11% overlapOnly in innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging
41 unique
Shared ingredients
5 in common
Only in Jack Black Protein Booster Skin Serum
24 unique
Why innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging comes out ahead
Where innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging really shines is ingredient transparency, scoring 7.0 compared to Jack Black Protein Booster Skin Serum's 8.5.
Hydration Efficacy is another area of separation. innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores 8.7 here versus 7.8 for Jack Black Protein Booster Skin Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging brings Niacinamide, Allantoin, and Tocopherol 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.
Best for your skin type
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging 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
Jack Black Protein Booster Skin Serum 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
At mid-range pricing with a score of 9.1, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging delivers strong value. Jack Black Protein Booster Skin Serum sits at the premium level with a 8.5 score — the extra cost doesn't translate to better scores here.
Our verdict
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging edges ahead with a slightly stronger formulation, but Jack Black Protein Booster Skin Serum is still a solid pick.
Frequently asked questions
Which is better: innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging or Jack Black Protein Booster Skin Serum?
Based on ingredient analysis, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores higher overall. See the full score breakdown above for details on each attribute.
Do innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and Jack Black Protein Booster Skin Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and Jack Black Protein Booster Skin Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.