ILIA Beauty vs grace & stella

Questions and answers

Research behind their key ingredients

• Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence

  Sodium hyaluronate · Dermatologic Therapy, 2022

• Topical use of dexpanthenol in skin disorders

  Panthenol · American Journal of Clinical Dermatology, 2002

• Design, characterization, and clinical evaluation of argan oil nanostructured lipid carriers to improve skin hydration

  Argania spinosa kernel oil · International Journal of Nanomedicine, 2014

• 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

• A new topical panthenol-containing emollient: Results from two randomized controlled studies assessing its skin moisturization and barrier restoration potential, and the effect on skin microflora

  Panthenol · The Journal of Dermatological Treatment, 2017

• Efficacy of a topical gel containing chitosan, chlorhexidine, allantoin and dexpanthenol for pain and inflammation control after third molar surgery: A randomized and placebo-controlled clinical trial

  Allantoin · Medicina Oral, Patologia Oral Y Cirugia Bucal, 2020

• Botulinum toxin injection as a single or combined treatment with non-cross-linked high molecular weight and low molecular weight hyaluronic acid gel for neck rejuvenation: A randomized clinical trial

  Hydrolyzed hyaluronic acid · Dermatologic Therapy, 2022

• Efficacy and Tolerability of Stable Hybrid Cooperative Complexes of High- and Low-Molecular Weight Hyaluronic Acid in Asian Patients: An Open-Label Study

  Hydrolyzed hyaluronic acid · Aesthetic Plastic Surgery, 2026

• Evaluation of the Efficacy and Safety of a Panthenol-Enriched Mask for Skin Barrier Recovery After Facial Laser Treatment: Results of a Double-Blind Randomized Controlled Study

  Panthenol · Journal of Cosmetic Dermatology, 2025

• Functional properties and skin care effects of sodium trehalose sulfate

  Trehalose · Skin Research and Technology, 2024

• Efficacy and safety of combination cream of stimu-tex AS™ (spent grain wax, Argania Spinosa Kernel oil, Butyrospermum Parkii (shea butter) extract), and saccharide isomerate after fractional CO2 laser procedure: split-face, double blinded, randomized controlled trial

  Argania spinosa kernel oil · Lasers in Medical Science, 2025

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.