REN Clean Skincare vs Ambi Skincare

Questions and answers

Research behind their key ingredients

• 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

• Comparison of clinical efficacies of sodium ascorbyl phosphate, retinol and their combination in acne treatment

  Sodium ascorbyl phosphate · International Journal of Cosmetic Science, 2009

• Efficacy of a topical serum containing L-ascorbic acid, neohesperidin, pycnogenol, tocopherol, and hyaluronic acid in relation to skin aging signs

  Vitamin e · Journal of Cosmetic Dermatology, 2022

• 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

• Assessment of Combined Ascorbyl Palmitate (AP) and Sodium Ascorbyl Phosphate (SAP) on Facial Skin Sebum Control in Female Healthy Volunteers

  Sodium ascorbyl phosphate · Drug Research, 2017

• Modulation of skin pigmentation by the tetrapeptide PKEK: in vitro and in vivo evidence for skin whitening effects

  Sodium ascorbyl phosphate · Experimental Dermatology, 2012

• Tocopherol succinate-loaded ethosomal gel synthesized by cold method technique: Deeper biophysical characterizations for translational application on human skin

  Vitamin e · Journal of Cosmetic Dermatology, 2024

• Nanostructured Lipid Carrier Based Gel Containing α-Tocopherol and α-Tocopheryl Acetate for Synergistic Cutaneous Antiaging Efficacy

  Tocopheryl acetate · Scientific Reports, 2025

• Facial disbiosis and UV filters

  Octinoxate · Archives of Dermatological Research, 2024

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.