{"product_id":"4d-hyaluronic-acid-hydrating-serum","title":"4D Hyaluronic Acid Hydrating Serum","description":"\u003cdiv class=\"hlsk-pdp\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003c!--split--\u003e\u003cp class=\"hlsk-pdp-lead\"\u003eStandard hyaluronic acid serums work at the skin's surface -- and for some skin types, that is enough. But for skin that has lost its ability to hold moisture effectively throughout the day, surface hydration alone doesn't deliver the plump, comfortable result it should. Halea Life 4D Hyaluronic Acid Hydrating Serum delivers \u003cstrong\u003efour molecular weights of hyaluronic acid\u003c\/strong\u003e -- from large-chain surface-binding to small-chain deeper-penetrating forms -- for hydration at every accessible level of the skin simultaneously.\u003c\/p\u003e\n\u003cblockquote class=\"hlsk-pdp-pullquote\"\u003e\n\u003cp\u003e\u003cem\u003eHyaluronic acid's molecular weight determines where it acts in the skin. High-molecular-weight HA forms a film at the surface, binding water immediately above the stratum corneum. Medium forms sit within the stratum corneum itself. Low-molecular-weight and nano-HA forms penetrate into the upper dermis. Using all four together provides hydration at every level rather than optimizing for one.\u003c\/em\u003e\u003c\/p\u003e\n\u003ccite\u003eHalea Life Formulation Notes\u003c\/cite\u003e\n\u003c\/blockquote\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eWho This Is For\u003c\/h2\u003e\n\u003cdiv class=\"hlsk-pdp-who-grid\"\u003e\n\u003cdiv class=\"hlsk-pdp-who-tile\"\u003e\n\u003cstrong\u003eDehydrated Skin at Any Level\u003c\/strong\u003e\u003cp\u003eFor skin that drinks up standard moisturizers quickly and still feels tight -- or skin that looks dehydrated even after applying product -- the multi-depth hydration system addresses moisture binding at every level where HA can reach.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-who-tile\"\u003e\n\u003cstrong\u003eBefore Moisturizer for Enhanced Hydration\u003c\/strong\u003e\u003cp\u003eApplied under any moisturizer, this serum dramatically increases that moisturizer's effectiveness by pre-hydrating multiple levels of the skin -- the cream then seals in the serum's moisture for longer-lasting results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-who-tile\"\u003e\n\u003cstrong\u003eAll Skin Types\u003c\/strong\u003e\u003cp\u003eHyaluronic acid is one of the most universally tolerated actives in skincare. This formula is alcohol-free, fragrance-free, and formulated without sensitizing actives -- appropriate for all skin types including reactive and sensitive.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-who-tile\"\u003e\n\u003cstrong\u003eSeasonal Hydration Support\u003c\/strong\u003e\u003cp\u003eIn low-humidity environments and during winter months, skin loses water more rapidly. The four-depth HA system provides the most comprehensive defense against environmental dehydration available in a serum format.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eHow the Ingredients Work\u003c\/h2\u003e\n\u003cp class=\"hlsk-pdp-body\"\u003eFour molecular weights of hyaluronic acid plus soothing conditioning support -- each component present for a specific depth of hydration.\u003c\/p\u003e\n\u003cdiv class=\"hlsk-pdp-ingredient-grid\"\u003e\n\u003cdiv class=\"hlsk-pdp-ing-card\"\u003e\n\u003cdiv class=\"hlsk-pdp-ing-card-header\"\u003e\u003cdiv\u003e\n\u003ch3\u003eHigh-Molecular-Weight HA\u003c\/h3\u003e\n\u003cspan class=\"hlsk-pdp-ing-role\"\u003eSurface hydration -- film-forming barrier\u003c\/span\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003eLarge-chain HA molecules form a hydrating film at the skin's surface that binds atmospheric moisture and reduces transepidermal water loss. This is the immediate skin-feel component -- plumper, smoother surface appearance within minutes of application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-ing-card\"\u003e\n\u003cdiv class=\"hlsk-pdp-ing-card-header\"\u003e\u003cdiv\u003e\n\u003ch3\u003eMedium-Molecular-Weight HA\u003c\/h3\u003e\n\u003cspan class=\"hlsk-pdp-ing-role\"\u003eStratum corneum hydration -- mid-layer binding\u003c\/span\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003eMedium-chain HA penetrates into the stratum corneum itself, the outermost layer of the epidermis where surface dehydration originates. Hydrating within this layer provides more sustained moisture than surface-only approaches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-ing-card\"\u003e\n\u003cdiv class=\"hlsk-pdp-ing-card-header\"\u003e\u003cdiv\u003e\n\u003ch3\u003eLow-Molecular-Weight HA + Nano-HA\u003c\/h3\u003e\n\u003cspan class=\"hlsk-pdp-ing-role\"\u003eDeeper penetration -- upper epidermal hydration\u003c\/span\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003eLow-molecular-weight HA penetrates further into the epidermis, providing hydration at the cellular level where moisture binding is most relevant to the plump, resilient appearance associated with well-hydrated skin. Nano-HA provides the deepest-penetrating dimension of the four-part system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eWhat You May Notice Over Time\u003c\/h2\u003e\n\u003cp class=\"hlsk-pdp-body\"\u003eMulti-level hydration benefits are immediate and build with consistent daily use.\u003c\/p\u003e\n\u003cdiv class=\"hlsk-pdp-timeline-grid\"\u003e\n\u003cdiv class=\"hlsk-pdp-timeline-tile\"\u003e\n\u003cspan class=\"hlsk-pdp-timeline-marker\"\u003eImmediately\u003c\/span\u003e\u003cstrong\u003eVisible plumping and surface comfort\u003c\/strong\u003e\u003cp\u003eThe high-molecular-weight HA delivers immediate visible plumping and surface smoothing. Fine lines associated with dehydration appear less pronounced within minutes of application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-timeline-tile\"\u003e\n\u003cspan class=\"hlsk-pdp-timeline-marker\"\u003eWithin minutes to hours\u003c\/span\u003e\u003cstrong\u003eSustained multi-level hydration\u003c\/strong\u003e\u003cp\u003eThe medium and low-molecular-weight forms penetrate and hydrate at progressively deeper levels. Skin maintains its comfortable, hydrated feel for significantly longer than with surface-only serums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-timeline-tile\"\u003e\n\u003cspan class=\"hlsk-pdp-timeline-marker\"\u003eWith continued daily use\u003c\/span\u003e\u003cstrong\u003eImproved skin moisture-holding capacity\u003c\/strong\u003e\u003cp\u003eConsistent daily multi-depth hydration supports the skin's own ability to maintain moisture. The four-depth system provides a more complete hydration foundation that progressively improves the skin's baseline moisture level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eWhere It Fits in Your Routine\u003c\/h2\u003e\n\u003cdiv class=\"hlsk-pdp-routine-block\"\u003e\n\u003cp class=\"hlsk-pdp-body\"\u003eApply morning and\/or evening to clean skin, immediately before moisturizer.\u003c\/p\u003e\n\u003cdiv class=\"hlsk-pdp-routine-steps\"\u003e\n\u003cdiv class=\"hlsk-pdp-routine-step\"\u003e\n\u003cspan class=\"hlsk-pdp-step-num\"\u003e1\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eCleanse\u003c\/strong\u003e\u003cp\u003eApply to freshly cleansed, damp skin -- HA draws available moisture, so applying to slightly damp skin enhances its effectiveness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-routine-step\"\u003e\n\u003cspan class=\"hlsk-pdp-step-num\"\u003e2\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eApply Serum\u003c\/strong\u003e\u003cp\u003eDispense 3 to 5 drops. Press and pat evenly over face and neck.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-routine-step\"\u003e\n\u003cspan class=\"hlsk-pdp-step-num\"\u003e3\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eApply Immediately\u003c\/strong\u003e\u003cp\u003eApply moisturizer while the serum is still slightly tacky -- this seals in the hydration layers before they can evaporate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-routine-step\"\u003e\n\u003cspan class=\"hlsk-pdp-step-num\"\u003e4\u003c\/span\u003e\u003cdiv\u003e\n\u003cstrong\u003eSPF (Morning)\u003c\/strong\u003e\u003cp\u003eFollow with SPF.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"hlsk-pdp-routine-note\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Apply to damp skin immediately after cleansing for maximum effect -- HA binds to available water, and a slightly damp skin surface provides more water for it to work with. Always follow immediately with moisturizer to lock in hydration. Do not leave HA unsealed -- it can draw moisture out of the skin in very dry environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eWhat This Formula Leaves Out\u003c\/h2\u003e\n\u003cp class=\"hlsk-pdp-body\"\u003eThe formula is built around hyaluronic acid in its most effective multi-depth delivery system. No harsh actives, no irritants.\u003c\/p\u003e\n\u003cdiv class=\"hlsk-pdp-diff-strip\"\u003e\n\u003ch2\u003eThe No List\u003c\/h2\u003e\n\u003cul class=\"hlsk-pdp-diff-list\"\u003e\n\u003cli\u003eFragrance-free\u003c\/li\u003e\n\u003cli\u003eAlcohol-free\u003c\/li\u003e\n\u003cli\u003eSulfate-free\u003c\/li\u003e\n\u003cli\u003ePhthalate-free\u003c\/li\u003e\n\u003cli\u003eCruelty-free\u003c\/li\u003e\n\u003cli\u003eVegan\u003c\/li\u003e\n\u003cli\u003eHonest everyday pricing -- no subscriptions, no promo codes, the price you see is the price, year-round\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eFull Ingredient List\u003c\/h2\u003e\n\u003cp class=\"hlsk-pdp-body\"\u003eEvery ingredient in the formula, in descending order of concentration.\u003c\/p\u003e\n\u003cdiv class=\"hlsk-pdp-inci-block\"\u003e\n\u003cp class=\"hlsk-pdp-inci-list\"\u003e\u003cstrong\u003eWater (Aqua), High-Molecular-Weight Hyaluronic Acid, Medium-Molecular-Weight Hyaluronic Acid, Low-Molecular-Weight Sodium Hyaluronate, Nano-Hyaluronic Acid, Glycerin, Panthenol, Allantoin, Carbomer, Sodium Hydroxide, Phenoxyethanol, Ethylhexylglycerin.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"hlsk-pdp-inci-glossary\"\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eWater (Aqua)\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eSolvent base.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eHigh-MW Hyaluronic Acid\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eSurface film-forming HA; immediate plumping and moisture barrier.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eMedium-MW Hyaluronic Acid\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eStratum corneum penetrating HA; mid-layer hydration.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eLow-MW Sodium Hyaluronate\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eEpidermal penetrating HA; deeper hydration.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eNano-Hyaluronic Acid\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eDeepest-penetrating HA form; upper epidermal hydration.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eGlycerin\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eSupporting humectant.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003ePanthenol\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eConditioning and soothing.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eAllantoin\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eSkin conditioner; improves surface smoothness and comfort.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eCarbomer\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eGel texture modifier.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eSodium Hydroxide\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003epH adjuster.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003ePhenoxyethanol\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003ePreservative.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hlsk-pdp-inci-row\"\u003e\n\u003cspan class=\"hlsk-pdp-inci-name\"\u003eEthylhexylglycerin\u003c\/span\u003e\u003cspan class=\"hlsk-pdp-inci-def\"\u003eSkin conditioner.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003ch2 class=\"hlsk-pdp-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hlsk-pdp-faq\"\u003e\n\u003cdetails class=\"hlsk-pdp-faq-item\"\u003e\u003csummary class=\"hlsk-pdp-faq-q\"\u003eWhy do you need four molecular weights of HA?\u003c\/summary\u003e\u003cdiv class=\"hlsk-pdp-faq-a\"\u003e\u003cp\u003eDifferent molecular weights of HA penetrate to different depths in the skin. High-MW stays at the surface, medium-MW penetrates the stratum corneum, and low-MW and nano forms penetrate into the epidermis. Using all four ensures hydration at every accessible level -- a single molecular weight optimizes for one depth while leaving the others unaddressed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"hlsk-pdp-faq-item\"\u003e\u003csummary class=\"hlsk-pdp-faq-q\"\u003eShould I apply this to dry or damp skin?\u003c\/summary\u003e\u003cdiv class=\"hlsk-pdp-faq-a\"\u003e\u003cp\u003eApply to slightly damp skin immediately after cleansing for best results. HA is a humectant -- it binds available water. A slightly damp skin surface gives it more water to work with, amplifying the hydration effect.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"hlsk-pdp-faq-item\"\u003e\u003csummary class=\"hlsk-pdp-faq-q\"\u003eDo I still need a moisturizer after this serum?\u003c\/summary\u003e\u003cdiv class=\"hlsk-pdp-faq-a\"\u003e\u003cp\u003eYes. Apply moisturizer immediately after this serum while it is still slightly tacky. HA serums draw water to the skin but can also draw it out if left unsealed in dry environments -- the moisturizer seals in the hydration layers for lasting results.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"hlsk-pdp-faq-item\"\u003e\u003csummary class=\"hlsk-pdp-faq-q\"\u003eIs this suitable for oily skin?\u003c\/summary\u003e\u003cdiv class=\"hlsk-pdp-faq-a\"\u003e\u003cp\u003eYes. Hyaluronic acid is water-based and non-comedogenic. The four-depth hydration system provides genuine moisture without adding oil or shine, making it appropriate for all skin types including oily.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"hlsk-pdp-faq-item\"\u003e\u003csummary class=\"hlsk-pdp-faq-q\"\u003eCan I use this morning and evening?\u003c\/summary\u003e\u003cdiv class=\"hlsk-pdp-faq-a\"\u003e\u003cp\u003eYes. Twice-daily use provides consistent multi-level hydration support and is recommended for the most dehydrated skin types.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!--split--\u003e\u003cp class=\"hlsk-pdp-disclaimer\"\u003eThis product is a cosmetic and has not been evaluated by the Food and Drug Administration. It is not intended to diagnose, treat, cure, or prevent any disease or skin condition. Results vary by individual, skin type, and consistency of use. Patch test before full application. Discontinue use if irritation occurs. Keep out of reach of children. For external use only. Avoid contact with eyes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Halea Life: Nutrition \u0026 Skincare","offers":[{"title":"Default Title","offer_id":49470022910181,"sku":"FMN0HYAL","price":11.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/2330\/8773\/files\/1771352327599-generated-label-image-0.jpg?v=1780450750","url":"https:\/\/rough-diamond-production.myshopify.com\/es\/products\/4d-hyaluronic-acid-hydrating-serum","provider":"Rough Diamond Production, LLC","version":"1.0","type":"link"}