Disclosure: This page may contain affiliate links. Read our full disclosure policy.

REN Clean Skincare
Bio Retinoid Youth Serum

Versus

Earth harbor
Celestine Hydra Plumping Peptide Serum

Product category and function

Bio Retinoid Youth Serum

Celestine Hydra Plumping Peptide Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
----	----

Ingredient highlights

Bio Retinoid Youth Serum

Celestine Hydra Plumping Peptide Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free cruelty-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

Bio Retinoid Youth Serum

Celestine Hydra Plumping Peptide Serum

No. of common ingredients = 0
Aqua (water), caprylic/capric triglyceride, glycerin, niacinamide, cetyl phosphate, coco-caprylate/caprate, squalane, cetyl alcohol, arginine, rosa canina fruit oil, triticum vulgare/aestivum (wheat) grain extract, crambe abyssinica seed oil, benzyl alcohol, astrocaryum murumuru seed butter, glyceryl stearate, sodium hyaluronate, bidens pilosa extract, sodium dehydroacetate, linum usitatissimum (linseed) seed oil, sclerotium gum, parfum (fragrance), tocopherol, xanthan gum, dehydroacetic acid, rosa damascena extract, gossypium herbaceum (cotton) seed oil, beta-carotene, xanthophylls, helianthus annuus (sunflower) seed oil, rosmarinus officinalis (rosemary) leaf extract, lactic acid, sodium hydroxide, citronellol, geraniol, linalool 13	Aqua, propanediol, glycerin, lactobacillus/nereocystis luetkeana (sea kelp) ferment filtrate, niacinamide, punica granatum (pomegranate) extract, laminaria digitata (seaweed) extract, caprylic/capric triglyceride, isoamyl laurate, squalane, oryza sativa (rice) lipids, tocopherol, tremella fuciformis sporocarp (tremella mushroom) extract, sodium hyaluronate, hydrolyzed rice protein, hydrolyzed pea protein, achillea millefolium (blue yarrow) extract, aloe barbadensis (aloe) flower extract, proline, glycine, betaine, coco caprylate/caprate, lecithin, sorbitan olivate, cetearyl olivate, xanthan gum, sclerotium gum, pullulan, cetyl palmitate, sorbitan palmitate, benzyl alcohol, citric acid, phytic acid, dehydroacetic acid, lactic acid, melia azadirachta (lilac) flower/leaf extract, corallina officinalis (seaweed) extract, coccinia indica (ivy gourd) fruit extract, solanum melongena (eggplant) fruit extract, simmondsia chinensis (jojoba) seed extract, ocimum sanctum (holy basil) leaf extract, ocimum basilicum (basil) flower/leaf extract, curcuma longa (turmeric) root extract

No. of common ingredients = 0

Total Number of ingredients = 35

Total Number of ingredients = 43

Aqua (water), caprylic/capric triglyceride, glycerin, niacinamide, cetyl phosphate, coco-caprylate/caprate, squalane, cetyl alcohol, arginine, rosa canina fruit oil, triticum vulgare/aestivum (wheat) grain extract, crambe abyssinica seed oil, benzyl alcohol, astrocaryum murumuru seed butter, glyceryl stearate, sodium hyaluronate, bidens pilosa extract, sodium dehydroacetate, linum usitatissimum (linseed) seed oil, sclerotium gum, parfum (fragrance), tocopherol, xanthan gum, dehydroacetic acid, rosa damascena extract, gossypium herbaceum (cotton) seed oil, beta-carotene, xanthophylls, helianthus annuus (sunflower) seed oil, rosmarinus officinalis (rosemary) leaf extract, lactic acid, sodium hydroxide, citronellol, geraniol, linalool

Aqua, propanediol, glycerin, lactobacillus/nereocystis luetkeana (sea kelp) ferment filtrate, niacinamide, punica granatum (pomegranate) extract, laminaria digitata (seaweed) extract, caprylic/capric triglyceride, isoamyl laurate, squalane, oryza sativa (rice) lipids, tocopherol, tremella fuciformis sporocarp (tremella mushroom) extract, sodium hyaluronate, hydrolyzed rice protein, hydrolyzed pea protein, achillea millefolium (blue yarrow) extract, aloe barbadensis (aloe) flower extract, proline, glycine, betaine, coco caprylate/caprate, lecithin, sorbitan olivate, cetearyl olivate, xanthan gum, sclerotium gum, pullulan, cetyl palmitate, sorbitan palmitate, benzyl alcohol, citric acid, phytic acid, dehydroacetic acid, lactic acid, melia azadirachta (lilac) flower/leaf extract, corallina officinalis (seaweed) extract, coccinia indica (ivy gourd) fruit extract, solanum melongena (eggplant) fruit extract, simmondsia chinensis (jojoba) seed extract, ocimum sanctum (holy basil) leaf extract, ocimum basilicum (basil) flower/leaf extract, curcuma longa (turmeric) root extract

Notable ingredients

Bio Retinoid Youth Serum

Celestine Hydra Plumping Peptide Serum

Anti-acne: Niacinamide

Soothing: Niacinamide, Rosmarinus officinalis (rosemary) leaf extract

Skin brightening: Niacinamide

Anti-acne: Niacinamide

Soothing: Niacinamide, Achillea millefolium (blue yarrow) extract, Curcuma longa (turmeric) root extract

Skin brightening: Niacinamide, Curcuma longa (turmeric) root extract

Load all

Ingredients with their functions

Bio Retinoid Youth Serum

Celestine Hydra Plumping Peptide Serum

Aqua (water)

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Caprylic/capric triglyceride

Also-called: Caprylic Capric Triglyceride | Function: Occlusive/Moisturizer, Skin conditioning, Solvent

We don’t have a detailed description of this ingredient yet.

Glycerin

Also-called: Glycerol | Function: Skin-identical ingredient, Viscosity controlling, Skin protecting, Skin conditioning, Humectant/Moisturizer, Solvent