{"product_id":"principia-mix-01-multi-acid-serum","title":"Principia Mix-01 Multi-Acid Serum for Oil Control \u0026 Blemish-Prone Skin, 1.01 fl oz (30 mL)","description":"\u003cstyle\u003e\n  .mkpbr-adeus {\n    --mkpbr-orange: #ff6b4a;\n    --mkpbr-orange-dark: #e85a37;\n    --mkpbr-black: #111111;\n    --mkpbr-muted: #666666;\n    --mkpbr-soft: #faf9f7;\n    --mkpbr-line: #ececec;\n    --mkpbr-white: #ffffff;\n    color: var(--mkpbr-black);\n    font-family: inherit;\n    font-size: 16px;\n    line-height: 1.65;\n  }\n\n  .mkpbr-adeus *,\n  .mkpbr-adeus *::before,\n  .mkpbr-adeus *::after {\n    box-sizing: border-box;\n  }\n\n  .mkpbr-adeus h2,\n  .mkpbr-adeus h3,\n  .mkpbr-adeus p {\n    margin-top: 0;\n  }\n\n  .mkpbr-adeus h2 {\n    margin-bottom: 14px;\n    color: var(--mkpbr-black);\n    font-size: clamp(24px, 4vw, 34px);\n    line-height: 1.2;\n  }\n\n  .mkpbr-adeus h3 {\n    margin-bottom: 8px;\n    color: var(--mkpbr-black);\n    font-size: 18px;\n    line-height: 1.35;\n  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{\n    padding: 7px 12px;\n    border: 1px solid var(--mkpbr-line);\n    border-radius: 999px;\n    background: var(--mkpbr-soft);\n    font-size: 14px;\n  }\n\n  .mkpbr-adeus__notice {\n    margin-top: 18px;\n    padding: 16px 18px;\n    border-radius: 12px;\n    background: #fff2ee;\n    color: #552217;\n  }\n\n  .mkpbr-adeus__details {\n    border-top: 1px solid var(--mkpbr-line);\n  }\n\n  .mkpbr-adeus__details details {\n    border-bottom: 1px solid var(--mkpbr-line);\n  }\n\n  .mkpbr-adeus__details summary {\n    position: relative;\n    padding: 18px 42px 18px 0;\n    cursor: pointer;\n    color: var(--mkpbr-black);\n    font-weight: 700;\n    list-style: none;\n  }\n\n  .mkpbr-adeus__details summary::-webkit-details-marker {\n    display: none;\n  }\n\n  .mkpbr-adeus__details summary::after {\n    position: absolute;\n    top: 50%;\n    right: 4px;\n    color: var(--mkpbr-orange);\n    content: \"+\";\n    font-size: 24px;\n    font-weight: 500;\n    transform: translateY(-50%);\n  }\n\n  .mkpbr-adeus__details details[open] summary::after {\n    content: \"\\2212\";\n  }\n\n  .mkpbr-adeus__details-body {\n    padding: 0 36px 18px 0;\n    color: var(--mkpbr-muted);\n  }\n\n  .mkpbr-adeus__details-body p:last-child {\n    margin-bottom: 0;\n  }\n\n  .mkpbr-adeus__disclaimer {\n    margin-top: 28px;\n    padding: 18px;\n    border: 1px solid var(--mkpbr-line);\n    border-radius: 12px;\n    color: var(--mkpbr-muted);\n    font-size: 13px;\n  }\n\n  @media (max-width: 749px) {\n    .mkpbr-adeus__grid,\n    .mkpbr-adeus__steps {\n      grid-template-columns: 1fr;\n    }\n\n    .mkpbr-adeus__section {\n      padding: 28px 0;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"mkpbr-adeus\"\u003e\n\u003csection class=\"mkpbr-adeus__intro\"\u003e\n\u003ch2\u003ePrincipia Mix-01\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrincipia Mix-01\u003c\/strong\u003e is a Brazilian dermocosmetics night serum created for modern, high-performance routines that prioritize clarity, comfort, and visible refinement. With a calibrated blend of 4 proven actives—5% niacinamide, 4% glycolic acid, 3% tranexamic acid, and 2% salicylic acid—this formula helps support a smoother-looking texture, less visible congestion, and a more balanced, luminous finish over time.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eWhy you’ll love it\u003c\/h2\u003e\n\n\u003cdiv class=\"mkpbr-adeus__grid\"\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eOil control\u003c\/h3\u003e\n\u003cp\u003eHelps reduce the look of excess shine and supports a more balanced finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eBlemish and blackhead care\u003c\/h3\u003e\n\u003cp\u003eHelps keep pores looking clearer and supports fewer visible clogs over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eSmoother texture\u003c\/h3\u003e\n\u003cp\u003eHelps refine the look of uneven texture for a softer feel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eRadiance support\u003c\/h3\u003e\n\u003cp\u003eHelps improve the look of dullness for a healthier-looking glow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003ePore appearance support\u003c\/h3\u003e\n\u003cp\u003eHelps reduce the look of enlarged pores with consistent nightly use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eDermatologically tested (brand-reported)\u003c\/h3\u003e\n\u003cp\u003eThe brand reports primary irritation and sensitization testing with no irritation observed in participants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eHow to use\u003c\/h2\u003e\n\u003col class=\"mkpbr-adeus__steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 1\u003c\/strong\u003eApply on alternate nights for 1 week, then every night as tolerated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 2\u003c\/strong\u003eUse on clean, dry skin before creams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 3\u003c\/strong\u003eDispense a few drops onto fingertips (avoid touching the dropper to skin) and spread gently over the face.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 4\u003c\/strong\u003eAvoid the eye area. Use sunscreen daily and minimize sun exposure while using exfoliating acids.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eProduct highlights\u003c\/h2\u003e\n\u003cdiv class=\"mkpbr-adeus__tags\"\u003e\n\u003cspan class=\"mkpbr-adeus__tag\"\u003eNiacinamide (5%): A stable form of vitamin B3 associated with supporting oil balance and improving the look of blemish-prone skin. Commonly used to help refine the look of pores and uneven texture in modern routines.\u003c\/span\u003e \u003cspan class=\"mkpbr-adeus__tag\"\u003eGlycolic Acid (4%): A sugarcane-derived AHA with a small molecular size that helps promote surface-level exfoliation and skin renewal, supporting a smoother look and helping prevent the buildup of dead skin cells that can make pores look more noticeable.\u003c\/span\u003e \u003cspan class=\"mkpbr-adeus__tag\"\u003eTranexamic Acid (3%): A synthetic derivative of the amino acid lysine used in skincare to help support a more even-looking tone and reduce the appearance of dark marks, including those related to blemishes and sun exposure (appearance-focused cosmetic claim).\u003c\/span\u003e \u003cspan class=\"mkpbr-adeus__tag\"\u003eSalicylic Acid (2%): A BHA known for supporting pore clarity by helping exfoliate inside the pore lining. Commonly used in routines that target excess oil and the look of blackheads and blemishes.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__notice\"\u003e\n\u003cstrong\u003eAllergen warnings \/ cautions:\u003c\/strong\u003e For external use only. Do not apply on irritated, broken, or compromised skin. Avoid eyelids and the eye area; rinse thoroughly if contact occurs. During the first week, use small amounts on alternate nights; temporary stinging, tingling, or dryness may occur. If irritation persists, stop use and seek medical guidance. Avoid sun exposure during use; wear daily broad-spectrum sunscreen. If pregnant or breastfeeding, consult a physician before use. Keep out of reach of children. Do not use on children. Principia is a Brazilian dermocosmetics brand founded in 2020 in São Paulo with a clear mission: democratize high-performance skincare through 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— active ingredients at disclosed percentages, straightforward formulations, and a minimalist, clinical aesthetic designed for everyday use.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eProduct information\u003c\/h2\u003e\n\u003cdiv class=\"mkpbr-adeus__details\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs Principia Mix-01 suitable for all skin types?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eThe brand indicates it is suitable for all skin types. Because it contains multiple exfoliating acids, sensitive skin types may prefer a slower introduction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often should I use Mix-01?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eStart on alternate nights for one week, then use nightly as tolerated. If dryness occurs, reduce frequency and support with a barrier-friendly moisturizer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use Mix-01 with vitamin C or retinoids?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eMany routines can combine actives, but to reduce the risk of irritation, consider alternating nights and avoid stacking multiple strong exfoliants in the same routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I apply Mix-01 near my eyes?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eNo. Avoid the eye area and eyelids, and do not apply on the corners of the nose and mouth if those areas are easily irritated.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this product cruelty-free?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eThe brand states it does not test on animals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eAdditional directions\u003c\/h2\u003e\n\u003col class=\"mkpbr-adeus__steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn a 60-day perceived efficacy study , participants reported improvements in\u003c\/strong\u003etexture (100%) , blackheads (97%) , softness (97%) , radiance (97%) , and oiliness (91%) . The brand also reports instrumental measurements over 60 days suggesting improvements in firmness and elasticity indicators.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"mkpbr-adeus__disclaimer\"\u003e\n\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e For external use only. Patch test before use and discontinue use if irritation occurs. Individual results may vary. Product packaging may be labeled in Portuguese. Our Brazilian-brand products are sourced in Brazil and are regularized with ANVISA (Agência Nacional de Vigilância Sanitária), Brazil's national health authority, under the applicable regulatory framework for each product category. ANVISA regularization applies to the Brazilian market and is not equivalent to U.S. FDA approval. See our full \u003ca href=\"\/en-bg\/pages\/disclaimers\"\u003eDisclaimers \u0026amp; Important Information\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Principia","offers":[{"title":"Default Title","offer_id":52624408150332,"sku":"MKPBR2024-1969","price":21.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0090\/2840\/3278\/files\/principia-mix-01-multi-acid-serum-for-oil-control-1-01-fl-oz-30-ml-front-bottle-buy-now-at-mkpbr-com-worldwide-shipping_45b8ad7b-3cef-4803-b2b3-005dc5eada1c.png?v=1784526103","url":"https:\/\/mkpbr.com\/en-bg\/products\/principia-mix-01-multi-acid-serum","provider":"MKPBR - Shine Like a Brazilian","version":"1.0","type":"link"}