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AHA blend glycolic and citric acids and collagen peptide

Rated by Lovi · Unbiased, science-based skincare AI trained on real user outcomes · How the Fit score works

AHA blend glycolic and citric acids and collagen peptide: keep them apart

Keep them apart

Use them at different times of day, applying the acid first and the peptide later, because the acid breaks down the peptide. The strong acid makes the peptide useless, so you lose the firming benefits. You can use one in the morning and the other at night to get the benefits of both.

AHA blend glycolic and citric acids products

Collagen peptide products

Questions and answers

Can you use aha blend glycolic and citric acids and collagen peptide together?

Keep aha blend glycolic and citric acids and collagen peptide apart in your routine. The low pH of the acid destabilizes the peptide bonds and reduces its bioactivity.

Which goes first, aha blend glycolic and citric acids or collagen peptide?

Keep aha blend glycolic and citric acids and collagen peptide apart by using them in separate steps or routines, such as AM and PM separation. The low pH of the acids may destabilize peptide bonds and reduce their bioactivity if combined.

Are aha blend glycolic and citric acids and collagen peptide good for sensitive skin?

No, aha blend glycolic and citric acids and collagen peptide should be kept apart in your routine, especially if you have sensitive skin. The acidic environment of the acids may destabilize the peptides and reduce their effectiveness.

Research on aha blend glycolic and citric acids and collagen peptide

Behind this pairing advice

Lovi checks every pairing with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.

  • Nadia Kapleva, MS

    Nadia Kapleva, MS

    Co-founder, Medical Director

    Cosmetic chemist, cosmetologist, aesthetic products developer

  • Alexey Shagraev, PhD

    Alexey Shagraev, PhD

    Co-founder, CEO and CTO

    PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex

  • Dr. Sofía Perea Pérez, MD, MSc

    Dr. Sofía Perea Pérez, MD, MSc

    Medical Board

    Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine

  • Aishani Shah, MD

    Aishani Shah, MD

    Medical Board

    Specialist dermatologist, MBBS, MD, IFAAD

  • Asya Zubkova, MS

    Asya Zubkova, MS

    Medical Board

    Cosmetic chemist, SCS, IFSCC member

  • Hanna Kurets, MD

    Hanna Kurets, MD

    Medical Board, Medical Advisor

    Dermatology MD

  • Elina Nazarenko, MD

    Elina Nazarenko, MD

    Medical Board

    Dermatology and diagnostic consultant

  • Victoria Derkova, MS

    Victoria Derkova, MS

    Medical Board

    Cosmetic chemist, cosmetic development technologist

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