COSRX The 6 Peptide Skin Booster Serum vs IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+
COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ scores 8.6/9.8 — a near-tie where your skin type decides the winner.
Head to head
The 6 Peptide Skin Booster Serum
Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
IT Cosmetics WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
12% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
31 unique
Shared ingredients
9 in common
Only in IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+
64 unique
Why these two are neck and neck
These two moisturisers 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.
IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ brings Snail Secretion Filtrate, Niacinamide, and Curcuma Longa (Turmeric) Root Extract as actives, while cOSRX The 6 Peptide Skin Booster Serum relies on Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate. 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
IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol Dicaprylate/Dicaprate
- Targeting specific concerns like aging or uneven tone — Snail Secretion Filtrate does the heavy lifting
Value comparison
COSRX The 6 Peptide Skin Booster Serum comes in at mid-range pricing with a 8.5 score, which is solid value at that tier.
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 IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+?
Based on ingredient analysis, IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ 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 IT Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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