{"product_id":"isntree-chestnut-aha-8-clear-essence-100ml-mirai-skin-isntree-chestnut-aha-8-clear-essence-100ml","title":"Isntree Chestnut AHA 8% Clear Essence 100ml","description":"\u003ch2\u003eIsntree Chestnut AHA 8% Clear Essence: Gentle Exfoliation Without the Typical AHA Sting\u003c\/h2\u003e\n\u003cp\u003eIsntree has built a reputation for formulating around naturally-derived actives at meaningful concentrations. The Chestnut AHA 8% Clear Essence uses an 8% alpha hydroxy acid complex derived primarily from chestnut extract, which is an unusual natural AHA source. At $29.84 for 100ml, this is one of the better value AHA essences in the Korean skincare market. 8% is a meaningful AHA concentration that most skin can tolerate with proper acclimation.\u003c\/p\u003e\n\u003cp\u003eTraditional AHA products use glycolic or lactic acid from synthetic or fermented sources. Chestnut-derived AHA adds tannins and polyphenol antioxidants alongside the acid, which is why Isntree positions this essence as \"gentler than traditional AHA.\" The polyphenols provide buffering and anti-inflammatory support that offsets some of the typical AHA irritation. Not a revolution, but a thoughtful natural alternative.\u003c\/p\u003e\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eAHA exfoliates by dissolving the bonds between dead skin cells on the surface, which accelerates cell turnover and reveals fresher skin underneath. At 8% concentration with a pH around 3.5 to 4, the exfoliation is meaningful but buffered. Regular use over 2 to 4 weeks produces smoother texture, evening tone, and a brighter overall appearance. The chestnut polyphenols add mild antioxidant protection during and after exfoliation.\u003c\/p\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDull or rough skin texture:\u003c\/strong\u003e AHA's primary function is surface smoothing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-inflammatory hyperpigmentation:\u003c\/strong\u003e AHA accelerates pigment turnover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarly anti-aging (mid-20s to 30s):\u003c\/strong\u003e Gentler alternative to retinol for beginners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitive skin that reacts to glycolic acid:\u003c\/strong\u003e Chestnut AHA with polyphenols is buffered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination skin with uneven tone:\u003c\/strong\u003e Evens out surface pigmentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolume: 100ml\u003c\/li\u003e\n\u003cli\u003ePrice: $29.84\u003c\/li\u003e\n\u003cli\u003eHero actives: 8% AHA complex (chestnut-derived), polyphenols, centella\u003c\/li\u003e\n\u003cli\u003epH: approximately 3.5 to 4\u003c\/li\u003e\n\u003cli\u003eTexture: clear watery essence, absorbs fast\u003c\/li\u003e\n\u003cli\u003eFragrance: very mild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eUse in the evening only. Apply to clean, dry skin (AHA works better on dry skin than damp). Pat 2 to 3 drops across the face, avoiding eye area. Follow with a hydrating essence and moisturizer. Start 2 to 3 nights per week for the first 2 weeks to acclimate. Build to 4 to 5 nights weekly. Always use SPF in the morning (AHA increases sun sensitivity).\u003c\/p\u003e\n\u003cp\u003eDon't layer with retinol the same evening during acclimation. Once tolerance is established, alternate AHA nights and retinol nights.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eIs 8% AHA too strong for beginners?\u003c\/h4\u003e\n\u003cp\u003eModerate strength. For absolute beginners, the Isntree Chestnut AHA 5% version is a gentler starting point. For anyone with prior AHA experience, 8% is manageable with proper acclimation.\u003c\/p\u003e\n\u003ch4\u003eCan I use it with BHA?\u003c\/h4\u003e\n\u003cp\u003eYes, at different times. AHA evening, BHA morning (or alternate nights). Don't layer AHA and BHA simultaneously during the first 4 weeks of use.\u003c\/p\u003e\n\u003ch4\u003eDoes it sting?\u003c\/h4\u003e\n\u003cp\u003eMild tingling for 30 to 60 seconds after application is normal. Sharp burning is not normal; rinse and reduce frequency if this occurs. The chestnut polyphenols buffer typical AHA sting.\u003c\/p\u003e\n\u003ch4\u003eHow long until I see results?\u003c\/h4\u003e\n\u003cp\u003eSmoother texture: 1 to 2 weeks. Tone evening: 4 to 6 weeks. PIH fading: 8 to 12 weeks of consistent use.\u003c\/p\u003e\n\u003ch4\u003eHow long does 100ml last?\u003c\/h4\u003e\n\u003cp\u003e3 to 4 months of nightly use.\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003ePair with a centella or panthenol hydrating toner to buffer AHA irritation. Follow with a ceramide moisturizer. For BHA on alternate nights, add a salicylic acid essence.\u003c\/p\u003e\n\u003cp\u003eBrowse the full Isntree collection or related: Korean AHA\/BHA products, Korean essences.\u003c\/p\u003e\n","brand":"mirai-skin","offers":[{"title":"Default Title","offer_id":51741087531296,"sku":"52944030073204","price":14.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/8333\/4432\/files\/87f9adc673da09352193311a5e9b8f98.webp?v=1779694824","url":"https:\/\/usmirai-skin.com\/products\/isntree-chestnut-aha-8-clear-essence-100ml-mirai-skin-isntree-chestnut-aha-8-clear-essence-100ml","provider":"usmirai-skin.com","version":"1.0","type":"link"}