{"product_id":"the-skin-diary-pro-helix-vitamin-c","title":"The Skin Diary Pro Helix C Collagen Peptide Brightening Serum 30ml","description":"\u003cp\u003e\u003cstrong\u003eThe Skin Diary's first vitamin C. Moving beyond prevention into advanced skin science.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFrom the dermatologists behind \u003ca href=\"https:\/\/instituteofdermatologists.ie\/products\/skin-diary-night-repair-therapy\" style=\"text-decoration: underline;\"\u003eNight Repair Therapy\u003c\/a\u003e comes The Skin Diary's first ever vitamin C serum, built on 15% THDA vitamin C.\u003c\/p\u003e\n\u003cp\u003eTHDA (tetrahexyldecyl ascorbate) is a stable, oil soluble form of vitamin C that brightens without the sting often linked to traditional vitamin C. For decades, vitamin C has played a defensive role, protecting skin from environmental stressors and helping with dullness. Pro Helix C goes further.\u003c\/p\u003e\n\u003cp\u003eIts patent pending complex combines 15% THDA vitamin C, 0.5% acetyl zingerone and 4.5% collagen signalling peptides, designed to target the pathways behind visible ageing: oxidative stress, collagen decline and the breakdown of the skin's support structure. It is formulated at a neutral pH, gentle enough for sensitive skin.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible radiance:\u003c\/strong\u003e 94% showed clinically proven brighter skin within 7 days¹\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother looking skin:\u003c\/strong\u003e 84% showed a clinically proven visible reduction in fine lines and wrinkles at 8 weeks²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacked by independent science:\u003c\/strong\u003e a statistically significant increase in fibrillin, the scaffold for the skin's elastic fibres, in a University of Manchester skin biopsy study⁴\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGentle on sensitive skin:\u003c\/strong\u003e dermatologically tested and approved, pH neutral formula\u003c\/li\u003e\n\u003cli\u003e73% said they would switch from their current vitamin C product³\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Ingredients\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15% THDA vitamin C (tetrahexyldecyl ascorbate):\u003c\/strong\u003e a stable, oil soluble form of vitamin C for powerful brightening without irritation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5% acetyl zingerone:\u003c\/strong\u003e a broad acting antioxidant that helps optimise vitamin C and helps defend against collagen breakdown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.5% collagen signalling peptides:\u003c\/strong\u003e a dual peptide complex that supports collagen and extracellular matrix synthesis, the network that keeps skin firm and supple.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eEvery morning, apply 1 to 2 pumps to clean, dry skin. Massage gently over the face and neck. Follow with a moisturiser and a broad spectrum SPF. Vitamin C supports the skin's antioxidant defences but does not replace daily sun protection.\u003c\/p\u003e\n\u003ch3\u003eComplete Your Morning Routine\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 1:\u003c\/strong\u003e The Skin Diary Pro Helix C, to brighten and support firmness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 2:\u003c\/strong\u003e \u003ca href=\"https:\/\/instituteofdermatologists.ie\/products\/elta-md-am-restore-lightweight-hydrating-moisturiser\" style=\"text-decoration: underline;\"\u003eEltaMD AM Restore\u003c\/a\u003e, a lightweight, fragrance free moisturiser with hyaluronic acid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 3:\u003c\/strong\u003e \u003ca href=\"https:\/\/instituteofdermatologists.ie\/products\/eltamd-uv-clear-spf-46-facial-sunscreen\" style=\"text-decoration: underline;\"\u003eEltaMD UV Clear SPF 46\u003c\/a\u003e, a calming mineral based sunscreen with niacinamide, suited to sensitive skin. For a sheer tint and extra antioxidant protection, choose \u003ca href=\"https:\/\/instituteofdermatologists.ie\/products\/eltamd-uv-aox-elements-spf-50\" style=\"text-decoration: underline;\"\u003eEltaMD UV AOX Elements SPF 50\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNight \u0026amp; Day\u003c\/h3\u003e\n\u003cp\u003ePair Pro Helix C in the morning with \u003ca href=\"https:\/\/instituteofdermatologists.ie\/products\/skin-diary-night-repair-therapy\" style=\"text-decoration: underline;\"\u003eThe Skin Diary Night Repair Therapy\u003c\/a\u003e at night, for a complete routine from the same dermatologist team.\u003c\/p\u003e\n\u003ch3\u003eSuitable For\u003c\/h3\u003e\n\u003cp\u003eAll skin types, including sensitive skin and anyone who has found vitamin C irritating before. No added fragrance. Clinically proven non comedogenic. Ideal for dullness, uneven tone, fine lines and loss of firmness.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e¹ Independent instrumental clinical study, ADSL Ref. 41051, 32 participants, 28 days.\u003cbr\u003e\n² Independent instrumental clinical study, ADSL Ref. 41053, 32 participants, 56 days.\u003cbr\u003e\n³ Consumer perception study, ADSL Ref. 41054, 45 participants, 4 weeks.\u003cbr\u003e\n⁴ University of Manchester, Manchester Patch Test Assay, in vivo skin biopsy study, double blind, vehicle controlled. Data on file, The Skin Diary.\u003c\/small\u003e\u003c\/p\u003e","brand":"The Skin Diary","offers":[{"title":"Default Title","offer_id":55165032694101,"sku":"SKDVC03","price":115.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0373\/1891\/8282\/files\/the-skin-diary-pro-helix-c-collagen-peptide-brightening-serum.png?v=1792000338","url":"https:\/\/instituteofdermatologists.ie\/products\/the-skin-diary-pro-helix-vitamin-c","provider":"Institute of Dermatologists","version":"1.0","type":"link"}