{"product_id":"dermalogica-circular-hydration-serum-59ml","title":"Dermalogica Circular Hydration Serum 59ml","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eJumbo hydration serum for long-lasting moisture cycle and skin balance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDehydrated skin is not a problem solved in two weeks. The circular effect of a serum like this only fully reveals itself after several weeks of consistent use, when the skin's natural moisture-binding system is restored and the skin barrier functions optimally again. Those who already know this serum and have experienced that their skin is in a fundamentally different state after four to six weeks know that interrupting the routine is not an option. The jumbo size of 59ml is developed precisely for this user.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWith almost double the content of the standard size and a noticeably better price per milliliter, the jumbo lasts about six months with twice-daily use. Long enough to carry the skin through a full seasonal cycle, with its changing influences of dry winter air, spring allergens, summer sun, and autumn cold. Continuity of hydration proves in practice to be the key to sustainable results.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold\"\u003eBenefits\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAlmost double the content of the standard size with a better value per milliliter\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSufficient for six months of twice-daily use in morning and evening routines\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCumulative effect of polyglutamic acid over multiple skin cycles\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStructurally builds a more resilient skin barrier with postbiotic complex\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLess packaging material per milliliter, a consciously more sustainable choice\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eActive ingredients\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eEnhanced hyaluronic acid over the long term:\u003c\/strong\u003e With long-term use twice a day, hyaluronic acid not only provides acute hydration but also supports the natural production of the skin's own hyaluronic acid. The skin learns to manage moisture more efficiently and becomes less dependent on external supply. This cumulative effect is exactly why continuous use over six months yields more than an interrupted routine of three months.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePolyglutamic acid from fermented soy:\u003c\/strong\u003e The ingredient that only shows its true effect with long-term use. Polyglutamic acid gradually builds a moisture reservoir in the skin that acts as an internal hydration buffer. After several months of consistent use, the skin has a noticeably larger moisture reserve, resulting in smoother skin in dry environments such as airplanes, heated offices, or climatically dry periods.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAlgae complex with daily use:\u003c\/strong\u003e The five algae extracts in this formula provide not only hydration but also minerals, trace elements, and amino acids that the skin absorbs and uses for its natural processes with daily supply. Over a period of six months, this builds skin that structurally has more resilience and looks visibly smoother.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePostbiotic complex (Lactobacillus Ferment \u0026amp; Avena Sativa):\u003c\/strong\u003e A healthy microbiome is not a static state but a dynamic balance that requires daily maintenance. With continuous use over months, the skin microbiome is gradually restored and stabilized. This explains why long-term users report that their skin reacts less quickly to climate changes, stress, or diet changes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eXylitylglucoside \u0026amp; plant amino acids:\u003c\/strong\u003e These ingredients supplement the natural moisturizing factor (NMF), the system in the skin responsible for moisture retention. With long-term use, this internal NMF is literally strengthened, making the skin less dependent on external products. A remarkable effect: the longer you use the serum, the less the skin needs it to look hydrated.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePanthenol, glycerin \u0026amp; propanediol:\u003c\/strong\u003e Basic ingredients that ensure continuously comfortable skin without fluctuations with long-term use. Glycerin binds moisture from the environment and panthenol soothes and repairs. Together they form the stable foundation beneath the high-tech ingredients.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eHow to use it\u003c\/h3\u003e\n\u003col class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-decimal flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThoroughly cleanse the skin in both morning and evening routines\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApply your toner or essence and let it fully absorb\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDispense 4 to 6 drops of Circular Hydration Serum onto the palm of your hand\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGently spread over face and neck with upward movements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFollow with your moisturizer and in the morning with an SPF of at least 30\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSuitable for\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRegular users of Circular Hydration Serum who continue the routine\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAll skin types with chronic or seasonal dehydration\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAdult and mature skin that works structurally on resilience\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHouseholds where multiple people use the serum\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWho invests in sustainable long-term skin improvement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eWhat is the price difference per milliliter between 30ml and 59ml?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe 59ml jumbo contains almost double the product, at a price noticeably lower than two separate standard bottles. The savings per milliliter amount to about one third, which makes a significant difference over six months of use. For those who already know the serum and know it suits their skin, the jumbo is always the most cost-effective choice.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eDoes the formula remain stable for six months after opening?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYes. The airless pump protects the formula from air and light, two factors that can otherwise affect ingredients like hyaluronic acid and the postbiotic bacteria. Store the bottle in a cool place, not in direct sunlight or in a humid bathroom with strong temperature fluctuations.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eCan I still expect the same results after months of use?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYes, and often the results even improve. Unlike retinol or acids, the skin does not build tolerance to hydrating ingredients. The visible effect does change: in the first months you see greatly improved hydration, then a maintenance phase begins where the skin remains in a fundamentally more resilient state.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eCan I share this serum with my partner or housemates?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAbsolutely. Circular Hydration Serum works for all skin types, regardless of age or gender. Many households buy the jumbo to share it, especially when multiple people suffer from dehydrated skin. The airless pump doses accurately per person without cross-contamination.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eHow do I know when I need a replacement bottle?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWith twice-daily use, the jumbo runs out after about six months. The airless pump becomes noticeably harder to use towards the end, which is a natural signal that it’s time to get the next bottle. Stock up on a replacement bottle when the current one still has about three weeks left.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eCan I take the jumbo size with me when traveling?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe 59ml size does not fit within the 100ml limit for carry-on luggage on planes. For travel, a smaller size is more suitable, or decant some into an empty travel bottle. Many users keep a travel size next to the jumbo at home for regular trips.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eWhat happens if I temporarily stop using the serum?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhen you stop, the skin gradually returns to its previous hydration state, a process that takes several weeks. The learned efficiency in moisture retention slowly diminishes, and the skin becomes dependent again on external moisturizers. This is an important reason for continuous availability via the jumbo size, as interrupted use always leads to interrupted results.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eDoes the serum still work well in summer?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eYes, and in summer it can even be extra valuable. Air conditioning, chlorinated water, salty seawater, and increased sun exposure cause significant moisture loss in the skin. The serum can also be reapplied during the day under makeup or sunscreen for an extra hydration boost.\u003c\/p\u003e","brand":"Dermalogica","offers":[{"title":"Default Title","offer_id":56635735015755,"sku":null,"price":109.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/6908\/7307\/files\/95ea44498e2bec9fd1dd633ccb69ebc5c6853836.jpg?v=1779226646","url":"https:\/\/webshop.glamskin.nl\/en\/products\/dermalogica-circular-hydration-serum-59ml","provider":"Glam Skin Webshop","version":"1.0","type":"link"}