REN Clean Skincare vs Ceradan

Questions and answers

Research behind their key ingredients

• Anti-aging and brightening effects of a topical treatment containing vitamin C, vitamin E, and raspberry leaf cell culture extract: A split-face, randomized controlled trial

  Tocopherol vitamin e · Journal of Cosmetic Dermatology, 2020

• Alteration of barrier properties, stratum corneum ceramides and microbiome composition in response to lotion application on cosmetic dry skin

  Ceramides · Scientific Reports, 2022

• Effect of a topical antioxidant serum containing vitamin C, vitamin E, and ferulic acid after Q-switched 1064-nm Nd:YAG laser for treatment of environment-induced skin pigmentation

  Tocopherol vitamin e · Journal of Cosmetic Dermatology, 2020

• The 24-hour skin hydration and barrier function effects of a hyaluronic 1%, glycerin 5%, and Centella asiatica stem cells extract moisturizing fluid: an intra-subject, randomized, assessor-blinded study

  Glycerin · Clinical, Cosmetic and Investigational Dermatology, 2017

• Double-blind, randomized, placebo-controlled study of a lotion containing triethyl citrate and ethyl linoleate in the treatment of acne vulgaris

  Triethyl citrate · The British Journal of Dermatology, 2007

• Clay jojoba oil facial mask for lesioned skin and mild acne--results of a prospective, observational pilot study

  Jojoba seed oil · Forschende Komplementarmedizin, 2012

• Topical application of jojoba (Simmondsia chinensis L.) wax enhances the synthesis of pro-collagen III and hyaluronic acid and reduces inflammation in the ex-vivo human skin organ culture model

  Jojoba seed oil · Frontiers in Pharmacology, 2024

• Subclinical cutaneous inflammation remained after permeability barrier disruption enhances UV sensitivity by altering ER stress responses and topical pseudoceramide prevents them

  Hydroxypropyl bispalmitamide mea ceramide · Archives of Dermatological Research, 2017

• Effect of a botanical cleansing lotion on skin sebum and erythema of the face: A randomized controlled blinded half-side comparison

  Salix nigra bark extract willow bark extract · Journal of Cosmetic Dermatology, 2019

• Anti-Inflammatory Effect of a Novel Topical Herbal Composition (VEL-091604) Consisting of Gentian Root, Licorice Root and Willow Bark Extract

  Salix nigra bark extract willow bark extract · Planta Medica, 2019

• An evaluation of the effect of a topical product containing salicin on the visible signs of human skin aging

  Salix nigra bark extract willow bark extract · Journal of Cosmetic Dermatology, 2010

• Dermatological Effects of a Beeswax-Pine Resin Mixture on Abdominal Skin: A Proof-of-Concept Study Supporting the Development of an Affordable Investigational Ostomy Pouching System in Low-Income Regions

  Beeswax · Journal of Wound, Ostomy, and Continence Nursing, 2026

Behind this comparison

Lovi compares products by their fit scores, calculated from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.