Claire Askin
Cross-Border Ghk-Cu Blue Copper Peptide Facial Serum To Brighten Skin product photo 1
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100 ml

Cross-Border Ghk-Cu Blue Copper Peptide Facial Serum To Brighten Skin

(53)

A targeted treatment step that works over time to smooth, clarify and refine.

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2
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Low stock — restocks monthlyShips within 24 hours

  • Free shipping over $100
  • 30-day returns
  • Cruelty-free & vegan

A targeted treatment step that works over time to smooth, clarify and refine.

The Claire Askin promise

Crafted with skin-loving ingredients

  • Cruelty free
  • Plant-based
  • Skin-kind
  • Paraben free
  • Microplastic free
  • Sulfate free
How to build the routine

Cleanse, treat, hydrate, protect

Every formula is designed to layer. Start with a gentle cleanser, add one treatment step, seal it with a ceramide moisturizer, and finish each morning with SPF. Introduce one new active at a time and give it two to four weeks.

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4.6

Based on 53 reviews

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  • Sofia L.

    Verified buyer

    14/09/26

    My skin drinks this up

    Lighter and more effective than the brand I used before.

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  • Yuki H.

    Verified buyer

    11/09/26

    No irritation at all

    Nothing dramatic overnight, but real change over a month.

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  • Rosa G.

    Verified buyer

    08/09/26

    Gentle but effective

    Sinks in fast and never feels heavy or sticky.

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  • Paloma H.

    Verified buyer

    05/09/26

    Became a staple

    I noticed a difference faster than I expected.

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  • Odette V.

    Verified buyer

    02/09/26

    Glow without the grease

    No breakouts, no burning, just comfortable skin.

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  • Sofia L.

    Verified buyer

    30/08/26

    Repurchasing already

    It sits on my counter and gets used every single day.

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  • Paloma H.

    Verified buyer

    27/08/26

    No irritation at all

    It sits on my counter and gets used every single day.

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  • Aisha Z.

    Verified buyer

    24/08/26

    Better than my old one

    One pump covers my whole face and neck.

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  • Farah L.

    Verified buyer

    21/08/26

    Better than my old one

    One pump covers my whole face and neck.

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  • Selin K.

    Verified buyer

    18/08/26

    Fast results

    I wake up with a soft glow instead of shine.

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  • Leah K.

    Verified buyer

    15/08/26

    Great under makeup

    I look forward to using it at the end of the day.

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  • Selin K.

    Verified buyer

    12/08/26

    Lightweight and clean

    I noticed a difference faster than I expected.

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  • Nora U.

    Verified buyer

    09/08/26

    Gentle but effective

    Pricey, but it replaced two other products for me.

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  • Nina V.

    Verified buyer

    06/08/26

    Gentle but effective

    I noticed a difference faster than I expected.

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  • Sana W.

    Verified buyer

    03/08/26

    Calmed my redness

    Pricey, but it replaced two other products for me.

    Was this review helpful?