Retinal For All Renewing Serum

Winner of Cosmopolitan’s 2023 Holy Grail Beauty Awards, Retinal For All Renewing Serum is the new retinal gold standard. Reduce fine lines up to 50% in just 4 weeks^1,2  and improve skin texture by 62%¹—with 0% irritation³ and no prescription. You’ve never seen a retinoid do this before. <br><br> Retinal For All Renewing Serum, featuring patent-pending R^{IQ TM} technology, is powered by a potent dose of 0.1% retinal, the most powerful non-prescription retinoid available⁵, and ectoin — a revolutionary extremolyte that stops retinoid-induced inflammation before it starts⁶. <br><br> Stabilized retinal works to smooth, lift, firm and brighten 11X faster than traditional retinol treatments⁷, while ectoin—a revolutionary anti-inflammatory molecule—reduces irritant-inducing IL-4R skin cell receptors by 82.6%⁶ resulting in 0% irritation³. Plus, with prolonged use, Retinal For All Renewing Serum actually improves the skin barrier by 67%⁴. <br><br> Say goodbye to flakiness, redness, and irritation—say hello to bouncy, bright skin. It turns out you can have it all. <br><br> The clinical results are in^1,2,3,4: <li>50% reduction in fine lines and wrinkles</li> <li>50% improvement in brightness</li> <li>62% improvement in skin texture</li> <li>67% improved skin barrier</li> <li>0% irritation</li> <br><br> Why you'll love it: <li>Dermatologist approved</li> <li>Clinically proven</li> <li>Safe for sensitive skin</li> <li>Kind to skin</li> <li>Clean</li> <li>Fragrance Free</li> <li>Vegan</li> <br><br> Footnotes: <br><br> (1) Measured by Corneometer, Tewameter, TEWL, Cutometer, Visia Scan instrumentation based on a 4-week and 12-week independent clinical study conducted by expert clinical graders. <br><br> (2) Percentages reflect a range of results and may indicate maximum benefits achieved. <br><br> (3) “Zero irritation” claim refers to a near 0% water loss to skin, post formulation application, as measured in a 4-week independent clinical study using a Tewameter, indicating virtually no skin-barrier disruption. <br><br> (4) “Improved skin barrier” claim refers to a 67.62% improvement of the skin barrier, as measured in a 12-week independent clinical study using a Tewameter, indicating 67.62% less transepidermal water loss (TEWL). <br><br> (5) S. Mukherjee, A. Date et al., Clin Interv Aging. 2006 Dec; 1(4):327 348.doi: 10.2147/ciia.2006.1.4.327 <br><br> (6) Novel research by Kang S, Kim K, Jun SH, et al. Anti-Irritant Strategy against Retinal Based on the Genetic Analysis of Korean Population: A Genetically Guided Top-Down Approach. Pharmaceutics. 2021 Dec; 13(12): 2006. DOI: 10.3390/pharmaceutics13122006 <br><br> (7) G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268,pp 371 378