Comparison
COSRX The 6 Peptide Skin Booster vs d'Alba Piedmont d'Alba First Spray Serum
Two serums that compete for the same routine slot. Below is the honest side by side: what makes each one different, who each one is best for, and how real users rate them.

COSRX
The 6 Peptide Skin BoosterA lightweight peptide serum from COSRX with hyaluronic acid, NAG and amino acids. Targets firmness, hydration, even tone and refined texture in one step.

d'Alba Piedmont
d'Alba First Spray SerumA cult double-layer mist-serum with Italian white truffle extract and squalane that hydrates and adds a soft glow, shake and spray for a quick pick-me-up any time of day.
Choose The 6 Peptide Skin Booster if
- Your main concern is Aging or Texture.
- You have Oily skin.
- You want 6 Peptides, NAG (N-Acetyl Glucosamine), Amino Acids in the formula.
- Six peptides in one lightweight formula
Choose d'Alba First Spray Serum if
- Your main concern is Uneven-Texture.
- You have All skin.
- You want White Truffle Extract, Squalane, Sodium Hyaluronate in the formula.
- Convenient spray format layers well over makeup
At a glance
- Normal
- Dry
- Combination
- Oily
- Sensitive
- All
- Dry
- Normal
- Combination
- Sensitive
- Aging
- Dullness
- Dehydration
- Texture
- Dehydration
- Dullness
- Uneven-Texture
- 6 Peptides
- Hyaluronic Acid
- NAG (N-Acetyl Glucosamine)
- Amino Acids
- White Truffle Extract
- Squalane
- Hyaluronic Acid
- Sodium Hyaluronate
- Six peptides in one lightweight formula
- Layers well under moisturizer and SPF
- Fragrance-free, suitable for sensitive skin
- Great value for a peptide serum
- Convenient spray format layers well over makeup
- Lightweight double-layer formula hydrates without stickiness
- Vegan and cruelty-free
- Adds a subtle dewy finish
- Pump can dispense a lot at once
- Peptide results build slowly over 4 to 8 weeks
- Fragrance may not suit very sensitive skin
- Not a heavy moisturizer on its own
- Spray nozzle can be uneven at first use
Ingredient interactions
No flagged interactions between the key ingredients in these two products. Both share Hyaluronic Acid, which means you get overlapping benefits if you use them at different times of day.
FAQ
What is the main difference between COSRX The 6 Peptide Skin Booster and d'Alba Piedmont d'Alba First Spray Serum?
Both are serums. COSRX The 6 Peptide Skin Booster focuses on Aging and Dullness, while d'Alba Piedmont d'Alba First Spray Serum targets Dehydration and Dullness. Ingredient wise, COSRX The 6 Peptide Skin Booster leads with 6 Peptides and Hyaluronic Acid; d'Alba Piedmont d'Alba First Spray Serum uses White Truffle Extract and Squalane.
Can I use COSRX The 6 Peptide Skin Booster and d'Alba Piedmont d'Alba First Spray Serum together?
They serve the same routine step, so pick one at a time rather than layering.
Do COSRX The 6 Peptide Skin Booster and d'Alba Piedmont d'Alba First Spray Serum share ingredients?
Both feature Hyaluronic Acid. The rest of the formulas differ, which is where the choice usually comes down to.