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Polylactic acid

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

Polylactic acid

Polylactic acid supports skin by visibly improving the look of firmness, smooth texture, and healthy volume over time. It suits most skin types and is available in lightweight serums. Because of its gentle texture, it layers easily into your daily skincare routine.

This page shows polylactic acid products with a Lovi page. For every product, and a routine built for your skin, use the Lovi app.

Questions and answers

What does polylactic acid do for the skin?

Polylactic acid helps stimulate collagen production in the skin to improve firmness and reduce the appearance of wrinkles. It acts gradually over time as a biocompatible filler to restore volume and smooth texture.

How do you use polylactic acid?

Polylactic acid is typically used as a professional dermal filler administered by a qualified practitioner to help stimulate collagen production and smooth wrinkles. Because it works gradually over a series of treatments, visible improvements may develop over several months.

Should you use polylactic acid in the morning or at night?

Polylactic acid may be used at either time of day depending on your routine and product instructions. It helps improve skin texture and firmness over time.

Can you use polylactic acid every day?

Polylactic acid is typically not used every day because it is a professional dermal filler or specialized treatment rather than a daily topical skincare product.

Does polylactic acid cause purging or irritation?

Polylactic acid is unlikely to cause purging, as it is not an exfoliating acid that accelerates cell turnover.

Which skin types is polylactic acid best for?

Polylactic acid helps exfoliate the skin and is found in the Caudalie Deep Cleansing Exfoliator.

Behind this ingredient guide

Lovi checks every ingredient 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. Sof铆a Perea P茅rez, MD, MSc

    Dr. Sof铆a Perea P茅rez, 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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