{"id":8786,"date":"2026-04-08T03:32:22","date_gmt":"2026-04-08T03:32:22","guid":{"rendered":"http:\/\/localhost:8080\/?post_type=product&p=8786"},"modified":"2026-04-08T03:32:22","modified_gmt":"2026-04-08T03:32:22","slug":"tirtir-niacinamide-20-serum-20-niacinamide-retinol-glutathione-dark-spot-pore-wrinkle-multi-correction-serum","status":"publish","type":"product","link":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/product\/tirtir-niacinamide-20-serum-20-niacinamide-retinol-glutathione-dark-spot-pore-wrinkle-multi-correction-serum\/","title":{"rendered":"TIRTIR Niacinamide 20% Serum | 20% Niacinamide + Retinol + Glutathione | Dark Spot, Pore &#038; Wrinkle Multi-Correction Serum"},"content":{"rendered":"<p>The End of the Multi-Serum Juggle\u2014Comprehensive Correction, Simplified<br \/>\nIn the pursuit of flawless skin, we often find ourselves layering serum upon serum\u2014one for dark spots, another for pores, a third for wrinkles. The TIRTIR Niacinamide 20% Serum shatters this fragmented approach with a groundbreaking concept: strategic active synergy in a single formula. This is not a simple niacinamide booster; it is a meticulously engineered multi-correction powerhouse that brings together four of dermatology&#8217;s most celebrated actives at clinically significant levels. By uniting 20% Niacinamide, Retinol, Glutathione, and Alpha-Arbutin within a hydrating hyaluronic acid base, this serum offers a comprehensive, clinic-level treatment for hyperpigmentation, texture, and aging\u2014all while reinforcing the skin&#8217;s barrier. This is the new standard for efficient, high-performance skincare.<br \/>\nThe TIRTIR Difference: High-Concentration Synergy, Dermatologist-Designed<br \/>\n\u2705 Unprecedented Active Alliance: First serum to combine 20% Niacinamide with Retinol, Glutathione, and Alpha-Arbutin at functional levels.<br \/>\n\u2705 Barrier-First Formulation Philosophy: Uses high-dose niacinamide to build resilience, enabling the safe and effective use of other potent actives.<br \/>\n\u2705 Multi-Correction in One Step: Addresses pigmentation, texture, pores, wrinkles, and barrier health comprehensively.<br \/>\n\u2705 Dermatologically Tested &#038; Sensitive Skin Considerate: Formulated to be effective yet tolerable, even for sensitive skin types with proper acclimation.<br \/>\nHow to Use: The Gradual Acclimation Protocol for a Potent Formula<br \/>\nCRITICAL \u2013 Start Low &#038; Go Slow:<br \/>\n1.        Patch Test: Mandatory. Apply on the jawline for 3 consecutive nights.<br \/>\n2.        Week 1-2 (Introduction): Use ONCE every 3 nights in the evening. Apply 2-3 drops to entire face after cleansing and toning on completely dry skin. Wait 15 minutes, then apply a soothing moisturizer.<br \/>\n3.        Week 3-4 (Titration): If no irritation (redness, stinging, peeling), increase to every other night.<br \/>\n4.        Maintenance (After Acclimation): Can be used nightly as tolerated. Never use more than once per day.<\/p>","protected":false},"excerpt":{"rendered":"<p>The End of the Multi-Serum Juggle\u2014Comprehensive Correction, Simplified In the pursuit of flawless skin, we often find ourselves layering serum upon serum\u2014one for dark spots, another for pores, a third for wrinkles. The TIRTIR Niacinamide 20% Serum shatters this fragmented approach with a groundbreaking concept: strategic active synergy in a single formula. This is not [&hellip;]<\/p>\n","protected":false},"featured_media":8787,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[311],"product_tag":[245],"class_list":{"0":"post-8786","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-tirtir","7":"product_cat-serum","8":"product_tag-big---sale","10":"first","11":"instock","12":"sale","13":"shipping-taxable","14":"purchasable","15":"product-type-simple","16":"add-to-cart-ajax","17":"fm-hide-badges"},"_links":{"self":[{"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/product\/8786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/comments?post=8786"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/media\/8787"}],"wp:attachment":[{"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/media?parent=8786"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/product_cat?post=8786"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.cosmeticnajmsalalah.com\/ar\/wp-json\/wp\/v2\/product_tag?post=8786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}