COSRX, The 6 Peptide Skin Booster

Where to buy
COSRX The 6 Peptide Skin Booster
COSRX

The 6 Peptide Skin Booster

Step 4: Serum

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

Skin types: Normal, Dry, Combination, Oily, Sensitive
Targets: Aging, Dullness, Dehydration, Texture

Pros

  • Six peptides in one lightweight formula
  • Layers well under moisturizer and SPF
  • Fragrance-free, suitable for sensitive skin
  • Great value for a peptide serum

Cons

  • Pump can dispense a lot at once
  • Peptide results build slowly over 4 to 8 weeks
Where to buy

Opens an external retailer in a new tab. We do not sell directly.

Editorial verdict

The COSRX The 6 Peptide Skin Booster is a versatile serum designed to tackle a range of common skin concerns with a focus on peptides, hyaluronic acid, NAG, and amino acids. Its formulation suggests benefits spanning anti-aging, hydration, and skin tone improvement. The lightweight texture makes it suitable for integration into various skincare routines without feeling heavy or sticky. This booster is best suited for individuals looking for a multi-functional product to support overall skin health, addressing early signs of aging, dehydration, and textural irregularities. It aims to provide a smoother, more radiant, and resilient complexion through consistent application.

All skin
Anti-Aging
Fine Lines
Loss Of Firmness
Dehydration
Uneven Skin Tone
Rough Texture

What people love and don't

The COSRX The 6 Peptide Skin Booster is a lightweight serum designed to improve skin firmness, hydration, tone, and texture. It features a blend of six peptides, hyaluronic acid, N-Acetyl Glucosamine, and amino acids to deliver these benefits.

The good

Targets multiple signs of aging

Formulated with six different peptides, this booster aims to improve skin elasticity and reduce the appearance of fine lines and wrinkles for a more youthful look.

Enhances skin hydration

With hyaluronic acid as a key ingredient, the booster helps to draw moisture into the skin, providing deep hydration and contributing to a plumper, smoother complexion.

Promotes even skin tone and texture

The inclusion of N-Acetyl Glucosamine (NAG) and amino acids works to gently exfoliate and support cell turnover, which can lead to a more uniform skin tone and refined texture.

Lightweight and easily absorbed

As a lightweight serum, it is designed to penetrate the skin quickly without leaving a heavy or sticky residue, making it comfortable for daily use and suitable for layering.

Supports skin barrier function

Amino acids contribute to the skin's natural moisturizing factors, helping to strengthen the skin barrier and protect against environmental stressors.

Reach for it if

This booster is suitable for those looking to address multiple concerns, including signs of aging, uneven skin tone, and dehydration. It is especially good for all skin types due to its lightweight formulation.

What to expect

  • Improved skin hydration
  • Smoother skin texture
  • More even skin tone
  • Reduced appearance of fine lines
  • Enhanced skin elasticity

Don't expect

  • Dramatic wrinkle reduction instantly
  • Immediate acne clearing
  • Full replacement for dedicated treatments
  • Significant pore size reduction

Deep facts

Texture
Lightweight, watery serum
Finish
Natural, non-sticky
Scent
Unscented
Packaging
Pump bottle
Value
This booster offers a multi-benefit approach with a blend of beneficial ingredients like peptides and hyaluronic acid, providing good value for its comprehensive skincare claims.
Time to results
Hydration can be immediate, while improvements in firmness, tone, and texture may take 4 to 6 weeks of consistent use.
Usage frequency
AM and PM daily
Routine position
First step after cleansing, before toner and other serums
Fragrance freeEssential oil freeAlcohol free

Layering tips

Can be layered with other essences and serums. Apply before thicker products to ensure proper absorption. Avoid direct layering with strong acids or retinoids unless advised.

How to use

After cleansing and toner, dispense 1 to 2 pumps and press gently onto face and neck morning and evening. Follow with moisturizer (and SPF in the AM).

Questions people ask about The 6 Peptide Skin Booster

Answered from our enrichment data, not generic boilerplate.

What is The 6 Peptide Skin Booster and what does it do?

The COSRX The 6 Peptide Skin Booster is a lightweight serum designed to improve skin firmness, hydration, tone, and texture. It features a blend of six peptides, hyaluronic acid, N-Acetyl Glucosamine, and amino acids to deliver these benefits.

Is The 6 Peptide Skin Booster good for all skin?

Yes, it tends to suit all skin. This booster is suitable for those looking to address multiple concerns, including signs of aging, uneven skin tone, and dehydration. It is especially good for all skin types due to its lightweight formulation.

How often should I use The 6 Peptide Skin Booster?

AM and PM daily

How long until The 6 Peptide Skin Booster shows results?

Hydration can be immediate, while improvements in firmness, tone, and texture may take 4 to 6 weeks of consistent use.

What can I layer The 6 Peptide Skin Booster with?

Can be layered with other essences and serums. Apply before thicker products to ensure proper absorption. Avoid direct layering with strong acids or retinoids unless advised.

Is The 6 Peptide Skin Booster worth the price?

This booster offers a multi-benefit approach with a blend of beneficial ingredients like peptides and hyaluronic acid, providing good value for its comprehensive skincare claims.

Is The 6 Peptide Skin Booster suitable for sensitive skin?

The 6 Peptide Skin Booster is fragrance-free, free of essential oils and alcohol-free, which makes it a safer pick for reactive or barrier-impaired skin. Always patch test before using it on the full face.

Where to buy

Opens an external retailer in a new tab. We do not sell directly.

Compare with similar serums

Side by side: ingredients, price, skin type fit, and which one to pick.

More from COSRX

All COSRX

Read next

Guides that pair well with this product.

Where to buy

Opens an external retailer in a new tab. We do not sell directly.

Community reviews

From people who actually use it. Moderated.

No community reviews yet. Be the first.

Sign in to write a review.