Jack Black Protein Booster Skin Serum vs Skinfix Target+ Brighten + Firm 15% Vitamin C Serum
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 9.2/9.8 vs Jack Black Protein Booster Skin Serum at 8.5/9.8. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum wins for hydration.
Head to head

Protein Booster Skin Serum

Target+ Brighten + Firm 15% Vitamin C Serum
Score comparison
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Skinfix WINSIrritation Risk
TIEActive Ingredient Strength
Skinfix WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
28% overlapOnly in Jack Black Protein Booster Skin Serum
20 unique
Shared ingredients
9 in common
Only in Skinfix Target+ Brighten + Firm 15% Vitamin C Serum
23 unique
Why Skinfix Target+ Brighten + Firm 15% Vitamin C Serum comes out ahead
Where Skinfix Target+ Brighten + Firm 15% Vitamin C Serum really shines is hydration efficacy, scoring 8.8 compared to Jack Black Protein Booster Skin Serum's 7.8. With Glycerin, Isopentyldiol, and Aloe Barbadensis Leaf Juice in its top ingredients, Skinfix Target+ Brighten + Firm 15% Vitamin C Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 5.8 here versus 5.3 for Jack Black Protein Booster Skin Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum brings Tetrahexyldecyl Ascorbate, Oligopeptide-2, and Hexapeptide-11 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
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
Skinfix Target+ Brighten + Firm 15% Vitamin C 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
Both sit in the premium bracket, so value comes down to formulation quality. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum gets the nod here with its 9.2 overall score — you're getting more for a similar outlay.
Our verdict
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum 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: Jack Black Protein Booster Skin Serum or Skinfix Target+ Brighten + Firm 15% Vitamin C Serum?
Based on ingredient analysis, Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Jack Black Protein Booster Skin Serum and Skinfix Target+ Brighten + Firm 15% Vitamin C 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 Jack Black Protein Booster Skin Serum and Skinfix Target+ Brighten + Firm 15% Vitamin C Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.