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Benzoyl peroxide and palmitoyl pentapeptide-4

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

Benzoyl peroxide and palmitoyl pentapeptide-4: keep them apart

Keep them apart

Use them at different times of day, applying benzoyl peroxide in the morning and peptides at night, because benzoyl peroxide ruins peptide effectiveness. Benzoyl peroxide breaks down the helpful parts of peptides, making the peptide treatment useless on your skin. You can easily fix this by applying benzoyl peroxide and peptides during separate parts of your daily routine.

Benzoyl peroxide products

Palmitoyl pentapeptide-4 products

Questions and answers

Can you use benzoyl peroxide and palmitoyl pentapeptide-4 together?

No, you should keep benzoyl peroxide and palmitoyl pentapeptide-4 apart because benzoyl peroxide oxidizes peptide bonds and reduces their efficacy. You can use your peptides separately in your evening routine instead.

Which goes first, benzoyl peroxide or palmitoyl pentapeptide-4?

Keep benzoyl peroxide and palmitoyl pentapeptide-4 apart because benzoyl peroxide oxidizes peptide bonds and reduces their efficacy. Instead, use palmitoyl pentapeptide-4 separately in your evening routine.

Are benzoyl peroxide and palmitoyl pentapeptide-4 good for sensitive skin?

No, benzoyl peroxide and palmitoyl pentapeptide-4 should be kept apart because benzoyl peroxide oxidizes peptide bonds and reduces their efficacy. You can use your peptides separately in your PM routine.

Research on benzoyl peroxide and palmitoyl pentapeptide-4

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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