{"title":"Tetrahexyldecyl Ascorbate","description":null,"products":[{"product_id":"ascorbyl-tetraisopalmitate-solution-20-in-vitamin-f-the-ordinary-usa","title":"Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F","description":"\u003cdiv class=\"product-description-us\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eWhat does The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F do?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eThe Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F is a high-potency, anhydrous (water-free) clinical serum that bridges the gap between intensive brightening and lipid-rich nourishment. Designed for individuals who demand professional-grade results without the irritation or instability common in pure L-Ascorbic Acid formulas, this solution utilizes \u003cstrong\u003eAscorbyl Tetraisopalmitate (ATIP)\u003c\/strong\u003e—a cutting-edge, oil-soluble Vitamin C derivative. Unlike traditional Vitamin C that can feel \"stingy\" or acidic on the skin, ATIP is highly compatible with the skin's natural lipid barrier, allowing for deeper penetration and a more gradual, controlled conversion into pure Vitamin C. This process effectively targets persistent dullness, visible signs of aging, and uneven skin tone while providing a formidable antioxidant shield. To further support dry and mature skin types, the formula is suspended in a base of \u003cstrong\u003eVitamin F\u003c\/strong\u003e (essential fatty acids), which reinforces the skin's moisture barrier and restores a supple, healthy-looking radiance. This multi-tasking oil-serum ensures that your skin remains hydrated, brightened, and protected from oxidative stress, all with a lightweight, non-greasy finish. Available for fast US delivery at theordinaryusa.co.\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eWhy The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F is a US Skincare Essential\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eIn the United States, the skin is subject to a vast spectrum of climatic extremes that can compromise the lipid barrier and accelerate aging. For American consumers residing in the Northeast or Midwest, the biting cold of winter and the moisture-stripping effects of indoor heating often lead to severe dryness and \"Winter Skin,\" where traditional water-based serums can sometimes feel insufficient. Conversely, in the sun-intensive regions of the Sun Belt—stretching from Florida and the Southeast to the intense sun of California and the Southwest—UV-induced hyperpigmentation and oxidative damage are primary concerns. The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F is essential for the US market because it provides an adaptable, high-purity lipid layer that shields the skin from these varied regional aggressors. Its oil-soluble nature makes it highly stable, meaning it won't oxidize in the humid US summers, while the Vitamin F content provides the necessary essential fatty acids to repair a barrier damaged by dry desert heat or freezing winds. It meets the high US demand for clinical-grade \"clean beauty\" that emphasizes ingredient transparency and molecular stability. For the busy American professional, this serum offers a high-value, multi-functional solution that provides cumulative brightening results and long-term barrier protection regardless of geographic location.\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eKey Benefits of The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Clinical Brightening:\u003c\/strong\u003e High-strength 20% concentration delivers a noticeable boost in radiance and overall skin luminosity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Molecular Stability:\u003c\/strong\u003e ATIP is an oil-soluble derivative that is exceptionally resistant to oxidation, ensuring peak potency throughout the bottle's life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntensive Barrier Support:\u003c\/strong\u003e Infused with Vitamin F (essential fatty acids) to nourish the lipid matrix and prevent transepidermal water loss (TEWL).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGentle for Sensitive Skin:\u003c\/strong\u003e Provides high-potency Vitamin C results without the acidic \"sting\" or redness associated with pure L-Ascorbic Acid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Anti-Aging:\u003c\/strong\u003e Visibly reduces the appearance of fine lines and wrinkles by supporting the skin's natural structural proteins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrects Uneven Tone:\u003c\/strong\u003e Effectively balances the look of hyperpigmentation, sun damage, and minor skin discolorations for a more uniform complexion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnhydrous Purity:\u003c\/strong\u003e A 100% water-free and preservative-free formulation that ensures the maximum integrity of the active ingredients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Lipid Hydration:\u003c\/strong\u003e Provides a rich, nourishing cushion of moisture that is specifically beneficial for dry, flaky, or mature skin types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntioxidant Protection Shield:\u003c\/strong\u003e Helps neutralize free radicals caused by US urban pollution, UV exposure, and environmental particulate matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Oil Texture:\u003c\/strong\u003e Sinks in efficiently to leave a soft, supple finish rather than a heavy or sticky residue on the skin surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoothes Reactive Skin:\u003c\/strong\u003e Vitamin F helps to calm surface sensitivity, making it an excellent companion for those using strong clinical actives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Functional Performance:\u003c\/strong\u003e Acts as both a brightening treatment and a facial oil, simplifying the routine for the minimalist American user.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eKey Ingredients and The Science Behind Them\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003e20% Ascorbyl Tetraisopalmitate (ATIP)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eAscorbyl Tetraisopalmitate is a stable, oil-soluble derivative of Vitamin C (Ascorbic Acid) esterified with Isopalmitic Acid. In the biology of human skin, pure L-Ascorbic Acid is the most active form, but its water-solubility often prevents it from penetrating the lipid-rich layers of the stratum corneum effectively. The science of ATIP centers on its lipophilic (oil-loving) nature, which allows it to pass through the skin barrier with ease. Once it reaches the deeper epidermis, skin enzymes (esterases) cleave the molecule, releasing pure Vitamin C directly where it is needed most. This \"pro-vitamin\" approach ensures a slow, sustained release that avoids the pH-related irritation caused by traditional Vitamin C. At a 20% concentration, it is one of the highest strength derivatives available, providing intensive tyrosinase inhibition to prevent melanin overproduction while stimulating the synthesis of dermal collagen and elastin for improved firmness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eVitamin F (Ethyl Linoleate)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eVitamin F is not a single vitamin but rather a term used to describe Essential Fatty Acids (EFAs), primarily Linoleic Acid (Omega-6). These EFAs are critical components of the skin's intercellular lipid cement. In clinical science, Linoleic acid is vital for maintaining the structural integrity of the permeability barrier; a deficiency often manifests as dryness, flakiness, and increased sensitivity. In this formula, Vitamin F (provided as Ethyl Linoleate) acts as a high-performance emollient that replenishes these lipids, effectively \"sealing\" the skin to lock in moisture and protect against environmental irritants. Its inclusion creates a synergistic effect with the ATIP, ensuring that while the Vitamin C brightens the tone, the essential fatty acids strengthen the \"walls\" of the skin, leading to a more resilient and youthful-looking complexion.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eSpecifications Table\u003c\/strong\u003e\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eAscorbyl Tetraisopalmitate Solution 20% in Vitamin F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eThe Ordinary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAnhydrous (Water-Free) Oil-Based Serum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey Actives\u003c\/td\u003e\n\u003ctd\u003e20% Ascorbyl Tetraisopalmitate, Vitamin F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTargets\u003c\/td\u003e\n\u003ctd\u003eDullness, Aging, Uneven Tone, Barrier Dehydration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuited To\u003c\/td\u003e\n\u003ctd\u003eDry, Mature, and Sensitive Skin Types\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Level\u003c\/td\u003e\n\u003ctd\u003eN\/A (Water-Free Formula)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e30mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVegan \/ Cruelty-Free\u003c\/td\u003e\n\u003ctd\u003eYes \/ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUS Availability\u003c\/td\u003e\n\u003ctd\u003eOfficial US Store — theordinaryusa.co\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eHow to Use The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eTo maximize the clinical brightening and barrier-restoring results of this high-strength oil-serum, follow these professional protocols:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanse:\u003c\/strong\u003e Start with a clean, dry face using a gentle cleanser like the Squalane Cleanser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayer:\u003c\/strong\u003e Apply any water-based treatments (like Hyaluronic Acid 2% + B5 or Amino Acids + B5) first and allow them to absorb fully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply:\u003c\/strong\u003e Dispense 2-3 drops of the solution into the palms of your hands. Press gently into the entire face and neck daily.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming:\u003c\/strong\u003e Can be used in both your \u003cstrong\u003emorning (AM)\u003c\/strong\u003e and \u003cstrong\u003eevening (PM)\u003c\/strong\u003e routines. Morning application provides excellent antioxidant defense during the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Since this is an oil-based serum, it should be applied after water-based treatments but \u003cem\u003ebefore\u003c\/em\u003e heavy creams or moisturizers (though for very dry skin, it can be layered over moisturizer as a final seal).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun Care:\u003c\/strong\u003e Vitamin C works best when supported by SPF. Always finish your AM routine with a broad-spectrum high-SPF US sunscreen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e While highly stable, store the bottle in a cool, dry place away from direct US sunlight common in bathrooms to maintain the integrity of the fatty acids.\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eWho is it for?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eThe Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F is specifically designed for the following US skin profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry and Dehydrated Skin:\u003c\/strong\u003e Individuals who find that traditional Vitamin C serums leave their skin feeling tight or irritated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature Skin Profiles:\u003c\/strong\u003e Anyone seeking to address deep dullness, loss of elasticity, and fine lines simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitive and Reactive Skin:\u003c\/strong\u003e Those who want high-strength brightening results but cannot tolerate pure L-Ascorbic Acid or high-percentage acids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS Urban Dwellers:\u003c\/strong\u003e People living in high-pollution cities who need a stable antioxidant layer that won't oxidize on the skin during the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimalist Routine Seekers:\u003c\/strong\u003e Users who want a single product that functions as both an active treatment and a nourishing facial oil.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F do?\u003c\/summary\u003e\n\u003cp\u003eIt targets dullness and signs of aging with a 20% concentration of a stable, oil-soluble Vitamin C derivative, while Vitamin F (essential fatty acids) works to nourish and repair the skin's moisture barrier.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this stronger than the 12% Ascorbyl Glucoside Solution?\u003c\/summary\u003e\n\u003cp\u003eYes. At a 20% concentration, this is a much more potent formulation. However, because it is an oil-soluble derivative, it provides a gentler, non-acidic delivery that is better suited for dry and mature skin.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this together with Retinol?\u003c\/summary\u003e\n\u003cp\u003eYes. Unlike pure Vitamin C (L-Ascorbic Acid), Ascorbyl Tetraisopalmitate is highly stable and does not have the same pH-dependency issues. This makes it an excellent companion for Retinol routines; it can be used in the same nighttime routine to boost anti-aging results.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it feel heavy or greasy on my skin?\u003c\/summary\u003e\n\u003cp\u003eWhile it is an oil-based serum, it is designed to be lightweight. When 2-3 drops are pressed into the skin, it absorbs to leave a soft, supple finish. If it feels too heavy, try using one less drop or mixing it into your moisturizer.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy is it provided in a dark amber bottle?\u003c\/summary\u003e\n\u003cp\u003eAlthough the Vitamin C derivative is stable, the Vitamin F (Essential Fatty Acids) is sensitive to UV light. The amber glass ensures that the fatty acids stay fresh and do not go rancid over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this if I have oily or acne-prone skin?\u003c\/summary\u003e\n\u003cp\u003eWhile safe, individuals with very oily skin may find the Vitamin F base too rich. For oily types seeking Vitamin C, we recommend water-based options like Ascorbyl Glucoside 12% or Ethylated Ascorbic Acid 15%.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs it safe for use during pregnancy?\u003c\/summary\u003e\n\u003cp\u003eYes, the ingredients in this solution are generally considered safe for use during pregnancy and while nursing. However, we always recommend consulting your US physician with the full ingredient list.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long will it take to see visible brightening results?\u003c\/summary\u003e\n\u003cp\u003eMost users notice an improvement in skin radiance and \"glow\" within 4 weeks. For more significant tone correction and anti-aging results, consistent application over 8-12 weeks is required.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it have a scent?\u003c\/summary\u003e\n\u003cp\u003eThe product is fragrance-free. It has a very faint, natural clinical aroma that is characteristic of the stabilized lipids and Vitamin C, which disappears immediately upon application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I mix this directly into my moisturizer?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. For those in exceptionally dry US climates, mixing 1-2 drops into Natural Moisturizing Factors + HA in the palm of your hand creates an ultra-rich, brightening overnight mask.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this product contain real Vitamin C?\u003c\/summary\u003e\n\u003cp\u003eIt contains a derivative that the skin's enzymes convert into pure Vitamin C (L-Ascorbic Acid) after absorption. This provides the benefits of Vitamin C with much higher stability and lower irritation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long does a 30mL bottle typically last?\u003c\/summary\u003e\n\u003cp\u003eWith daily use of 2-3 drops, a bottle typically lasts between 3 and 5 months, providing exceptional value for a high-strength clinical treatment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhere should I store this product?\u003c\/summary\u003e\n\u003cp\u003eStore in a cool, dry place away from direct sunlight. Unlike pure Vitamin C, this derivative does not require refrigeration to maintain stability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is Vitamin F exactly?\u003c\/summary\u003e\n\u003cp\u003eVitamin F is a term for essential fatty acids, specifically Linoleic Acid. It is a \"good\" fat that your skin needs to maintain a strong, healthy, and hydrated barrier.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it help with acne scars?\u003c\/summary\u003e\n\u003cp\u003eIt is excellent for fading the appearance of post-inflammatory hyperpigmentation (the brown marks left behind after a blemish has healed).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eComplete Your Skincare Routine...\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eBuild a high-performance clinical ritual at theordinaryusa.co with these complementary products:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e👉 \u003ca href=\"https:\/\/theordinaryusa.co\/products\/squalane-cleanser\"\u003eSqualane Cleanser\u003c\/a\u003e — The perfect lipid-preserving start to your daily routine.\u003c\/li\u003e\n    \u003cli\u003e👉 \u003ca href=\"https:\/\/theordinaryusa.co\/products\/hyaluronic-acid-2-b5\"\u003eHyaluronic Acid 2% + B5\u003c\/a\u003e — Layer this hydrating serum before your Vitamin C oil for multi-depth moisture.\u003c\/li\u003e\n    \u003cli\u003e👉 \u003ca href=\"https:\/\/theordinaryusa.co\/products\/amino-acids-b5\"\u003eAmino Acids + B5\u003c\/a\u003e — Use alongside for total barrier resilience and skin softening.\u003c\/li\u003e\n    \u003cli\u003e👉 \u003ca href=\"https:\/\/theordinaryusa.co\/products\/natural-moisturizing-factors-ha\"\u003eNatural Moisturizing Factors + HA\u003c\/a\u003e — Finish your routine with this skin-identical moisturizer for total protection.\u003c\/li\u003e\n    \u003cli\u003e👉 \u003ca href=\"https:\/\/theordinaryusa.co\/products\/multi-peptide-lash-brow-serum\"\u003eMulti-Peptide Lash and Brow Serum\u003c\/a\u003e — Complete your high-performance beauty regimen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\u003cstrong\u003eWhy Buy From theordinaryusa.co?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n    \u003cli\u003e🌍 \u003cstrong\u003eOfficial US store\u003c\/strong\u003e — serving all 50 states\u003c\/li\u003e\n    \u003cli\u003e🚚 \u003cstrong\u003eFast, tracked delivery\u003c\/strong\u003e across the United States\u003c\/li\u003e\n    \u003cli\u003e✅ \u003cstrong\u003e100% authentic\u003c\/strong\u003e The Ordinary products\u003c\/li\u003e\n    \u003cli\u003e🔒 \u003cstrong\u003eSecure checkout\u003c\/strong\u003e — SSL encrypted\u003c\/li\u003e\n    \u003cli\u003e💬 \u003cstrong\u003eDedicated customer support\u003c\/strong\u003e for American customers\u003c\/li\u003e\n    \u003cli\u003e🌱 \u003cstrong\u003eVegan \u0026amp; cruelty-free\u003c\/strong\u003e products only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"The Ordinary","offers":[{"title":"30ml","offer_id":45198095384655,"sku":null,"price":20.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/3355\/2975\/files\/rdn-ascorbyl-tetraisopalmitate-solution-20pct-in-vitamin-f-30ml.webp?v=1778411639"}],"url":"https:\/\/theordinaryusa.co\/en-ca\/collections\/tetrahexyldecyl-ascorbate.oembed","provider":"The Ordinary","version":"1.0","type":"link"}