COSRX The 6 Peptide Skin Booster Serum vs HERA UV Protector Tone-Up SPF50+ PA
COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and HERA UV Protector Tone-Up SPF50+ PA scores 8.3/9.8 — a near-tie where your skin type decides the winner.
Head to head

The 6 Peptide Skin Booster Serum

UV Protector Tone-Up SPF50+ PA
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
HERA WINSIrritation Risk
COSRX WINSActive Ingredient Strength
COSRX WINSIngredient Transparency
TIEFormulation Safety
COSRX WINSIngredient face-off
20% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
25 unique
Shared ingredients
15 in common
Only in HERA UV Protector Tone-Up SPF50+ PA
60 unique
Why these two are neck and neck
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.
Formulation Safety is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 9.0 here versus 7.8 for HERA UV Protector Tone-Up SPF50+ PA. That difference comes down to how each formula is built — the ingredient list tells the story.
COSRX The 6 Peptide Skin Booster Serum brings Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate as actives, while hERA UV Protector Tone-Up SPF50+ PA relies on Niacinamide, Adenosine, and Tocopheryl Acetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The 6 Peptide Skin Booster Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
- Anyone who prefers clean, well-vetted formulations
HERA UV Protector Tone-Up SPF50+ PA 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 8.5, COSRX The 6 Peptide Skin Booster Serum delivers strong value. HERA UV Protector Tone-Up SPF50+ PA sits at the premium level with a 8.3 score — the extra cost doesn't translate to better scores here.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.


Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or HERA UV Protector Tone-Up SPF50+ PA?
Based on ingredient analysis, COSRX The 6 Peptide Skin Booster Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and HERA UV Protector Tone-Up SPF50+ PA share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between COSRX The 6 Peptide Skin Booster Serum and HERA UV Protector Tone-Up SPF50+ PA?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.