# Principia vs Sand & Sky Page: https://lovi.care/skincare/sg/compare/principia-vs-sand-and-sky The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Singapore. Principia and Sand & Sky are well-regarded skincare brands known for their thoughtful cleansers, purifying masks, and precise formulas. Principia is widely loved for offerings like the Gel de Limpeza GL-01 that suit balanced to oily skin, while Sand & Sky is beloved for targeted products like the [Australian Pink Clay](https://lovi.care/skincare/sg/ingredients/pink-clay) Porefining Face Mask that suit combination, oily, and acne-prone skin best. These two options help maintain a healthy, balanced complexion, yet they differ because the former relies on precise formulas and the latter uses botanical ingredients to gently clarify. This page compares some of the most popular Principia and Sand & Sky products; for every product of both brands, with a fit score for your own skin, [use the Lovi app](https://app.pora.ai/vqqJ/j1xj2b6o?af_sub2=compare&af_sub3=selection_note&af_sub4=pg6387b019e2). ### Popular Principia vs Sand & Sky products #### Sand & Sky - [Australian Pink Clay Porefining Face Mask](https://lovi.care/skincare/sg/p/sand-and-sky/australian-pink-clay-porefining-face-mask/for/acne-prone-skin) — High fit #### Principia - [Gel de Limpeza GL-01](https://lovi.care/skincare/sg/p/principia/gel-de-limpeza-gl-01/for/oily-skin) — Average fit ## Questions and answers ### Principia or Sand & Sky: which is better? Sand & Sky fits oily and acne-prone skin types with a High rating, while the products on this page from Principia rate Average for those skin types. Lovi rates Sand & Sky as Average for sensitive skin and Principia as Average too. Sand & Sky's [Australian Pink Clay](https://lovi.care/skincare/sg/ingredients/pink-clay) Porefining Face Mask contains fragrance, whereas every product on this page from Principia lists no fragrance. [Journal of Cosmetic Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/41347526/) ### What is the difference between Principia and Sand & Sky? Sand & Sky is a better fit for acne-prone skin, with High Lovi fit levels for its Australian Pink Clay Porefining Face Mask, while the products on this page from Principia receive Average to Low fit ratings across most skin types. Additionally, every product on this page from Principia lists no fragrance in its ingredients, whereas the Sand & Sky mask contains fragrance. [Journal of Cosmetic Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/41347526/) [BioMed Research International, 2020](https://pubmed.ncbi.nlm.nih.gov/33150170/) ### Which is more affordable, Principia or Sand & Sky? The provided page facts do not contain pricing information, so it is not possible to determine whether Principia or Sand & Sky is more affordable. ### Which causes fewer breakouts, Principia or Sand & Sky? Sand & Sky has a High fit for acne-prone skin with its Australian Pink Clay Porefining Face Mask, whereas the products on this page from Principia generally have an Average or Low fit for breakout-prone skin. [Bentonite](https://lovi.care/skincare/sg/ingredients/bentonite-clay) in the mask helps improve acne severity. [Journal of Cosmetic Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/41347526/) ### Which brand was founded earlier, Principia or Sand & Sky? Sand & Sky was founded earlier, in 2017, while Principia was founded in 2020. ### Which brand's products are completely free of fragrance, Principia or Sand & Sky? Principia's products on this page are completely free of fragrance, whereas the Sand & Sky product lists fragrance in its ingredients. ### Who owns the brand Sand & Sky compared to Principia? Sand & Sky is owned by Excite Foundry Ltd., whereas Principia is owned by Viziera Participações Ltda. ## Research behind their key ingredients - [Treatment of acne with a combination of propolis, tea tree oil, and Aloe vera compared to erythromycin cream: two double-blind investigations](https://pubmed.ncbi.nlm.nih.gov/30588129/) Aloe barbadensis leaf juice · Clinical Pharmacology, 2018 - [Quaternized carboxymethyl chitosan/organic montmorillonite nanocomposite as a novel cosmetic ingredient against skin aging](https://pubmed.ncbi.nlm.nih.gov/28732847/) Bentonite · Carbohydrate Polymers, 2017 - [A Double-Blinded, Randomized, Vehicle-Controlled Study of the Efficacy of Moisturizer Containing Licochalcone A, Decanediol, L-Carnitine, and Salicylic Acid for Prevention of Acne Relapse in Asian Population](https://pubmed.ncbi.nlm.nih.gov/33150170/) Salicylic acid · BioMed Research International, 2020 - [High molecular compounds (polysaccharides and proanthocyanidins) from Hamamelis virginiana bark: influence on human skin keratinocyte proliferation and differentiation and influence on irritated skin](https://pubmed.ncbi.nlm.nih.gov/11684194/) Witch hazel bark extract · Phytochemistry, 2001 - [Efficacy of a multitargeted, salicylic acid-based dermocosmetic cream compared to benzoyl peroxide 5% in Acne vulgaris: Results from a randomized study](https://pubmed.ncbi.nlm.nih.gov/37941097/) Salicylic acid · Journal of Cosmetic Dermatology, 2024 - [A Salicylic Acid-Based Dermocosmetic is Effective as an Adjunct to Benzoyl Peroxide for Mild to Moderate Acne and as Monotherapy in Maintenance Post Benzoyl Peroxide](https://pubmed.ncbi.nlm.nih.gov/38051857/) Salicylic acid · Journal of Drugs in Dermatology, 2023 - [Safety assessment on comedogenicity of dermatological products containing d-alpha tocopheryl acetate in Asian subjects: A double-blind randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/34471722/) Vitamin e tocopheryl acetate · Contemporary Clinical Trials Communications, 2021 - [Impact of dermal emulsions containing diacyl phospholipids, mono acyl phospholipids, sodium lauryl ether sulfate and polysorbate 80 in combination with UVA irradiation on human skin physiology in vivo: A pilot study](https://pubmed.ncbi.nlm.nih.gov/42617898/) Sodium laureth sulfate · International Journal of Pharmaceutics, 2026 - [The Therapeutic Effects of a Bentonite-Based Facial Mask With Alcea sulphurea Extract on Acne Severity and Patient Experience: Add-On Randomized Controlled Clinical Trial](https://pubmed.ncbi.nlm.nih.gov/41347526/) Bentonite · Journal of Cosmetic Dermatology, 2025 ## The brands - Skincare: [Principia](https://lovi.care/skincare/sg/brands/principia) - Skincare: [Sand & Sky](https://lovi.care/skincare/sg/brands/sand-and-sky) ## More comparisons - [SKIN1004 vs Principia](https://lovi.care/skincare/sg/compare/skin1004-vs-principia) - [SKIN1004 vs Sand & Sky](https://lovi.care/skincare/sg/compare/skin1004-vs-sand-and-sky) - [Anua vs Principia](https://lovi.care/skincare/sg/compare/anua-vs-principia) - [Anua vs Sand & Sky](https://lovi.care/skincare/sg/compare/anua-vs-sand-and-sky) - [Medicube vs Principia](https://lovi.care/skincare/sg/compare/medicube-vs-principia) - [Medicube vs Sand & Sky](https://lovi.care/skincare/sg/compare/medicube-vs-sand-and-sky) - [The Ordinary vs Principia](https://lovi.care/skincare/sg/compare/the-ordinary-vs-principia) - [The Ordinary vs Sand & Sky](https://lovi.care/skincare/sg/compare/the-ordinary-vs-sand-and-sky) - [Beauty of Joseon vs Principia](https://lovi.care/skincare/sg/compare/beauty-of-joseon-vs-principia) - [Beauty of Joseon vs Sand & Sky](https://lovi.care/skincare/sg/compare/beauty-of-joseon-vs-sand-and-sky) - [COSRX vs Principia](https://lovi.care/skincare/sg/compare/cosrx-vs-principia) - [COSRX vs Sand & Sky](https://lovi.care/skincare/sg/compare/cosrx-vs-sand-and-sky) - [CeraVe vs Principia](https://lovi.care/skincare/sg/compare/cerave-vs-principia) - [CeraVe vs Sand & Sky](https://lovi.care/skincare/sg/compare/cerave-vs-sand-and-sky) - [La Roche-Posay vs Principia](https://lovi.care/skincare/sg/compare/la-roche-posay-vs-principia) - [La Roche-Posay vs Sand & Sky](https://lovi.care/skincare/sg/compare/la-roche-posay-vs-sand-and-sky) - [Dr. Althea vs Principia](https://lovi.care/skincare/sg/compare/dr-althea-vs-principia) - [Dr. Althea vs Sand & Sky](https://lovi.care/skincare/sg/compare/dr-althea-vs-sand-and-sky) - [Some By Mi vs Principia](https://lovi.care/skincare/sg/compare/some-by-mi-vs-principia) - [Some By Mi vs Sand & Sky](https://lovi.care/skincare/sg/compare/some-by-mi-vs-sand-and-sky) ## About the Lovi Fit Lovi: Unbiased, science-based skincare AI trained on real user outcomes. Lovi compares products by their fit scores, calculated from the full ingredient list with brand-independent rules its 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. Levels from best to worst: Superior, High, Average, Low, Caution, Warning. Behind this comparison: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board). Page built Nov 8, 2026. More from Lovi: https://lovi.care/skincare/llms.txt ## This page in other countries - United States: https://lovi.care/skincare/compare/principia-vs-sand-and-sky - United Kingdom: https://lovi.care/skincare/uk/compare/principia-vs-sand-and-sky - Ireland: https://lovi.care/skincare/ie/compare/principia-vs-sand-and-sky - Germany: https://lovi.care/skincare/de/compare/principia-vs-sand-and-sky - France: https://lovi.care/skincare/fr/compare/principia-vs-sand-and-sky - Italy: https://lovi.care/skincare/it/compare/principia-vs-sand-and-sky - Netherlands: https://lovi.care/skincare/nl/compare/principia-vs-sand-and-sky - Spain: https://lovi.care/skincare/es/compare/principia-vs-sand-and-sky - Canada: https://lovi.care/skincare/ca/compare/principia-vs-sand-and-sky - Australia: https://lovi.care/skincare/au/compare/principia-vs-sand-and-sky - Singapore: https://lovi.care/skincare/sg/compare/principia-vs-sand-and-sky (this page) - Saudi Arabia: https://lovi.care/skincare/sa/compare/principia-vs-sand-and-sky - United Arab Emirates: https://lovi.care/skincare/ae/compare/principia-vs-sand-and-sky