All REN formulas are clinically tested by independent 3rd party consumer research organisation to ensure ‘’Kind to Skin”, “Safe for Skin”, “Mild for Skin”. REN formulas are “Dermatologist Approved’’. Their HRIPT Patch Test protocol (A 96-HOUR PRIMARY IRRITATION PATCH TEST IN A SHARED PANEL OF 30 HEALTHY VOLUNTEERS ) includes 18-65 year male and female across multiple skin types with at least 50% sensitive skin panel members. The Influence of Specific Bioactive Collagen Peptides on Body Composition and Muscle Strength in Middle-Aged, Untrained Men: A Randomized Controlled Trial – PubMed. (2021, April 30). PubMed. https://doi.org/10.3390/ijerph18094837 Hyaluronic acid, a promising skin rejuvenating biomedicine: A review of recent updates and pre-clinical and clinical investigations on cosmetic and nutricosmetic effects – PubMed. (2018, December 1). PubMed. https://doi.org/10.1016/j.ijbiomac.2018.09.188 Baar realised that this approach could be replicated in injured athletes by giving them hydrolysed collagen – a form in which it is broken down into small, easy-to-process particles – before undergoing mild to moderate exercise. Some of the results were remarkable. “We were able to completely reverse this athlete who had a hole in one of their tendons,” he says. “That was really exciting.” Potentially, all athletes with overused tendons can benefit from collagen supplements Christian Couppé, sport scientist

The next stop was the GHI lab, where our in-house experts used the VISIA Skin Analysis machine to assess any changes in users' fine lines, wrinkles, texture and browns spots, giving each product a score out of five for performance. As collagen is such a large molecule, it’s believed that hydrolyzed collagen—with a smaller molecular size—is more effective at penetrating the skin. Many of the products mentioned above also contain collagen peptides which are another variation of collagen created when whole collagen proteins are broken into smaller pieces. Variety of products: REN Skincare offers a wide range of products for different skin types and concerns, making it easier to find products that suit individual needs. Every REN Clean Skincare product is made in the brand’s home base, the UK. The one exception is the Vita Mineral Lip Balm, which is made in China. Is REN skincare clean?Metabolism and Functions of Amino Acids in the Skin – PubMed. (2020, January 1). PubMed. https://doi.org/10.1007/978-3-030-45328-2_11

The good news is that there are many ways to boost your collagen production, from topical application of collagen-containing creams and serums, to drinking or eating it in the form of gummies, bars, liquid sachets or powdered drinks. While ingredients often come in and out of favor, none are quite as contested as collagen. Found naturally all over the body, collagen is involved in many important functions, such as tissue repair and regeneration.

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But because collagen is so ubiquitous in our body, the possible applications are much wider ranging than just skincare. When the Observer asked the clinical data analytics company Phesi to run an analysis of collagen clinical trials from 2010 onwards, just 5% were related to cosmetics. Instead, scientists around the world are more interested in its potential for some of the most serious consequences of ageing, from treating bone diseases to improving wound-healing and regenerating arthritic joints. We’ve been hearing for years that Vitamin C is the best anti-aging ingredient. It’s a potent antioxidant that protects the skin from free radicals, the unstable molecules that contribute to the formation of premature wrinkles and fine lines on the skin. Effectiveness: While some people may see positive results from using REN Skincare products, others may not experience any significant improvement in their skin. The Collagen Boost Serum contains plant peptides and rosehip oil to stimulate the skin’s repair functions from within. Regular usage can smooth and prevent wrinkles for a youthful complexion. Some years earlier, Baar, a professor at the University of California, Davis, had begun taking cells from athletes who had ruptured their anterior cruciate ligament (ACL) – one of the main ligaments that stabilises the knee – and used these cells to create an ACL replica in the lab. He found that by nourishing the lab-grown ligament with two amino acids, proline and glycine, it strengthened.