{"product_id":"principia-am-10-mandelic-acid-serum","title":"Principia AM-10 Mandelic Acid Serum 10% + Alpha Arbutin 1% for Dark Spot \u0026 Oil Control Care, 1.01 fl oz (30 mL)","description":"\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003ePrincipia AM-10\u003c\/strong\u003e is a Brazilian dermocosmetics night serum designed for visible refinement—supporting clearer-looking pores, smoother texture, and a more even-looking complexion. With \u003cspan class=\"font-semibold\"\u003e10% mandelic acid (AHA)\u003c\/span\u003e and \u003cspan class=\"font-semibold\"\u003e1% alpha arbutin\u003c\/span\u003e, it offers a polished approach to tone and congestion concerns: gentle resurfacing paired with targeted pigment appearance support.\u003c\/p\u003e\n\u003cp\u003eThe result is a modern routine step that feels elegant and intentional, ideal for everyday users, salon retail, and international resellers seeking a globally understood brightening story with clearly stated active concentrations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eDark spot appearance support:\u003c\/span\u003e\u003c\/strong\u003e Helps reduce the appearance of dark spots and supports a more even-looking tone.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eOil control\u003c\/strong\u003e:\u003c\/span\u003e Helps regulate the look of excess sebum for a fresher finish.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eBlemish-prone support\u003c\/strong\u003e:\u003c\/span\u003e Helps reduce the look of blackheads and blemishes by supporting clearer-looking pores.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003ePore appearance support\u003c\/strong\u003e:\u003c\/span\u003e Helps minimize the look of enlarged pores as surface buildup is reduced.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eSoftness + smooth feel\u003c\/strong\u003e:\u003c\/span\u003e Helps refine skin texture for a softer, more polished touch.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eGlow enhancement\u003c\/strong\u003e:\u003c\/span\u003e Helps improve the look of luminosity and overall radiance.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eDermatologically tested (brand-reported)\u003c\/strong\u003e:\u003c\/span\u003e The brand reports irritation and sensitization testing, plus hypoallergenic \/ non-photoirritating evaluation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan class=\"font-semibold\"\u003eHow to use\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eApply on alternate nights for 1 week, then every night as tolerated. Use before creams. With a clean, dry face, dispense a few drops onto fingertips (avoid touching the dropper to skin) and spread gently over the face, including the under-eye area if tolerated.\u003cbr\u003eDo not apply on eyelids, on the outer corners of the nose and mouth, or on irritated\/broken skin. Avoid sun exposure during use and wear sunscreen daily.\u003c\/p\u003e\n\u003cp\u003eIn a \u003cspan class=\"font-semibold\"\u003e60-day perceived efficacy study\u003c\/span\u003e, participants reported improvements in: \u003cspan class=\"font-semibold\"\u003etone (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003epore size appearance (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003esoftness (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eglow (100%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eoiliness (94%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003emelasma appearance (93%)\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eunder-eye dark circles (93%)\u003c\/span\u003e, and \u003cspan class=\"font-semibold\"\u003eunder-eye puffiness (93%)\u003c\/span\u003e. The brand also reports instrumental measurements related to hydration, firmness, and elasticity indicators, plus an image-based analysis showing a reduction in the length of under-eye wrinkle appearance after 30 and 60 days. Results may vary.\u003c\/p\u003e\n\u003ch3\u003eIngredients Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eMandelic Acid (10%)\u003c\/strong\u003e:\u003c\/span\u003e An AHA derived from bitter almond extract. With a higher molecular weight than some other AHAs, mandelic acid is often associated with a gentler-feeling renewal process. It supports surface exfoliation and cell turnover, helping smooth the look of texture, regulate the look of oiliness, and support pore clarity by reducing surface buildup.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eAlpha Arbutin (1%)\u003c\/strong\u003e:\u003c\/span\u003e A biosynthetic active used to support more even-looking tone by influencing melanin-related processes. Helps reduce the appearance of dark spots and supports a brighter, more uniform complexion (appearance-focused cosmetic claim).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003ch4\u003eAllergen warnings \/ cautions\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cul class=\"ml-1 list-outside list-disc\"\u003e\n\u003cli class=\"py-0\"\u003eFor external use only. Do not apply on irritated, broken, or compromised skin.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eAvoid eyelids and sensitive facial folds; avoid direct contact with eyes. If contact occurs, rinse thoroughly.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eDuring the first week, use small amounts on alternate nights; temporary stinging, tingling, or dryness may occur.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eIf irritation persists, stop use and seek medical guidance.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eAvoid sun exposure during use; wear broad-spectrum sunscreen daily.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eKeep out of reach of children. Do not use on children.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eStore in a cool, dry place.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eAccording to the brand, the formula is free from parabens, petrolatum, sulfates, silicones, fragrance, and gluten.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003ePairing note: The brand indicates it can be used with other formulas, with some restrictions—avoid combining with high concentrations of other AHAs in the same routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003ePrincipia\u003c\/span\u003e \u003c\/strong\u003eis a Brazilian \u003cstrong\u003edermocosmetics \u003c\/strong\u003ebrand founded in 2020 in São Paulo with a clear mission: \u003cspan class=\"font-semibold\"\u003edemocratize high-performance \u003cstrong\u003eskincare\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003ethrough science-backed formulas, radical ingredient transparency, and fair, accessible positioning. Instead of relying on hype, Principia focuses on what matters most for results-driven routines—\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eactive ingredients at disclosed percentages\u003c\/span\u003e, straightforward formulations, and a minimalist, clinical aesthetic designed for everyday use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eWhen should I use Principia AM-10?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it at night. Start on alternate nights for one week, then increase to nightly use as tolerated.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eDo I need sunscreen while using AM-10?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Daily broad-spectrum sunscreen is essential when using exfoliating acids to help protect the look of tone and results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eIs AM-10 suitable for oily or blemish-prone skin?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is suitable for all skin types and is often chosen for routines focused on oil control, pore appearance, and the look of blackheads and blemishes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eCan I apply AM-10 around the eyes?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brand indicates safety and efficacy were evaluated for the eye area. Apply gently, avoid eyelids, and avoid direct contact with eyes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eCan I combine AM-10 with other acids?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brand notes it can be used with other formulas, but avoid stacking with high concentrations of other AHAs in the same routine to reduce the risk of irritation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eIs Principia cruelty-free?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe brand states it does not test on animals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003eComplete your routine by exploring \u003cspan class=\"text-gray-500\" title=\"Blocked URL: {{INTERNAL_LINK}}\"\u003eour curated \u003ca href=\"https:\/\/mkpbr.com\/collections\/principia\"\u003ePrincipia Collection\u003c\/a\u003e\u003c\/span\u003e for a clean, balanced, everyday glow.\u003c\/p\u003e\n\u003ch3\u003eAdd Principia AM-10 to your cart and elevate your night routine with Brazilian dermocosmetic precision.\u003c\/h3\u003e\n\u003ch4\u003eLegal Disclaimer\u003c\/h4\u003e\n\u003cp\u003e⚠️ The product label may contain additional or different information than stated on the website. Always read labels, warnings, and usage instructions before using or consuming.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Principia","offers":[{"title":"Default Title","offer_id":52626609963324,"sku":"MKPBR2024-1978","price":37.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0090\/2840\/3278\/files\/principia-am-10-mandelic-acid-serum-10-percent-alpha-arbutin-1-percent-1-01-fl-oz-30-ml-front-bottle-buy-now-at-mkpbr-com-worldwide-shipping.png?v=1768402007","url":"https:\/\/mkpbr.com\/en-kw\/products\/principia-am-10-mandelic-acid-serum","provider":"MKPBR - Shine Like a Brazilian","version":"1.0","type":"link"}