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Allies of Skin vs Principia

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

Allies of Skin and Principia are two thoughtful skincare lines known for distinct formulations and targeted care. The former offers a rich range of moisturizers, serums, and eye products featuring niacinamide that suit dry and mature skin best, while the latter provides precise cleansers designed for balanced to oily skin. Both brands address specific concerns like acne-prone skin with standout treatments such as the Molecular Saviour Probiotics Treatment Mist and the Gel de Limpeza GL-01. Ultimately, Allies of Skin focuses on reducing hyperpigmentation and signs of aging with potent ingredients, whereas Principia emphasizes maintaining a healthy, balanced complexion.

This page compares some of the most popular Allies of Skin and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Allies of Skin vs Principia products

Questions and answers

Allies of Skin or Principia: which is better?

Allies of Skin is the better choice for variety and targeted skin benefits, as the products on this page feature multiple serums and moisturizers with key ingredients like niacinamide. Niacinamide helps reduce cutaneous pigmentation and suppresses melanosome transfer.

The British Journal of Dermatology, 2002

What is the difference between Allies of Skin and Principia?

Allies of Skin offers a range of fragrance-free serums, moisturizers, and eye products with high to superior Lovi fit levels for dry, mature, and combination skin, whereas Principia features only a single cleanser on this page which shows average to caution fit levels.

Which is more affordable, Allies of Skin or Principia?

Principia is more affordable, whereas Allies of Skin carries a high price point as a mostly mentioned drawback by reviewers.

Which causes fewer breakouts, Allies of Skin or Principia?

Allies of Skin is unlikely to cause breakouts for most users, as its products on this page achieve High to Superior Lovi fit levels for acne-prone skin, whereas Principia's sole cleanser on this page has a Low fit level for acne-prone skin.

What are the company founding years and parent owners of Allies of Skin and Principia?

Allies of Skin was founded in 2016 and is owned by Allies Group Pte. Ltd., while Principia was founded in 2020 and is owned by Viziera Participações Ltda.

Do Allies of Skin and Principia products contain fragrance?

Every product from Allies of Skin on this page lists no fragrance in its ingredients, and every product from Principia on this page also lists no fragrance.

Which brand offers a wider variety of product types on this page, and what are they?

Allies of Skin offers a wider variety of product types on this page, which include serums, moisturizers, and an eye product. Principia only features a cleanser on this page.

Research behind their key ingredients

Behind this comparison

Lovi compares products by their fit scores, calculated from the full ingredient list 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

How does it fit your skin?

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