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Onion extract

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

Onion extract

Topical onion extract helps improve scar colour, reduce scar height, and ease discomfort like pain, itching, and pigmentation, particularly when combined with silicone gel or used early on surgical scars. It suits most skin types well and is commonly available in serums. Because it layers easily, it integrates smoothly into a daily skincare routine.

Journal of Wound Care, 2007International Wound Journal, 2012

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Questions and answers

What does onion extract do for the skin?

Onion extract helps improve scar color, height, and symptoms like pain and itching, particularly when used for scars. It may be combined with silicone for enhanced results, though silicone alone can sometimes be more effective for reducing scar height.

Journal of Wound Care, 2007

How do you use onion extract?

Onion extract is applied topically to scars to help improve scar color, height, and symptoms like itching and pain. It may be used alongside silicone gel for better results, as studied in scar treatments.

Journal of Wound Care, 2007International Wound Journal, 2012

Should you use onion extract in the morning or at night?

There is no official guideline to use onion extract in the morning or at night.

Can you use onion extract every day?

Yes, you can use onion extract daily, as studies on surgical and hypertrophic scars typically involve regular, ongoing application to help improve scar color, height, and symptoms.

Journal of Wound Care, 2007International Wound Journal, 2012

Does onion extract cause purging or irritation?

Onion extract is unlikely to cause purging, and skin irritation may happen only if you have a sensitivity to it. It is commonly used to help improve the appearance, color, and symptoms of scars.

Which skin types is onion extract best for?

The provided page facts do not specify which skin types onion extract is best for.

Research on onion extract

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. 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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