Celestine Hydra-Peptide Replenishing Serum
The Earth Harbor Celestine Hydra-Peptide Replenishing Serum is a serums, essence, ampoule. Our analysis of its 43 ingredients (34 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The Earth Harbor Celestine Hydra-Peptide Replenishing Serum is a serums, essence, ampoule. Our analysis of its 43 ingredients (34 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
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Lactobacillus/Nereocystis Leutkeana Ferment Filtrate
(Hair Conditioning, Skin Conditioning) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Punica Granatum Extract
(Astringent, Masking, Tonic) |
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Laminaria Digitata Extract
(Skin Protecting) |
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Isoamyl Laurate
(Fragrance, Skin Conditioning, Emollient) |
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Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning) |
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Oryza Sativa Lipids
(Skin Conditioning) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Tremella Fuciformis Sporocarp Extract
(Antioxidant, Hair Conditioning, Humectant, Skin Conditioning) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Hydrolyzed Rice Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Hydrolyzed Pea Protein
(Antistatic Agent, Emollient, Hair Conditioning, Skin Conditioning) |
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Achillea Millefolium Extract
(Antidandruff Agent, Cleansing, Masking, Refreshing, Skin Conditioning, Soothing, Tonic) |
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Aloe Barbadensis Flower Extract
(Emollient, Skin Conditioning) |
Good for Sensitive Skin
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Proline
(Fragrance, Hair Conditioning, Skin Conditioning) |
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Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning) |
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Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling) |
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Coco-Caprylate/Caprate
(Emollient, Skin Conditioning) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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Sorbitan Olivate
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Cetearyl Olivate
(Hair Conditioning) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling) |
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Pullulan
(Binding Agent, Film Forming, Binding) |
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Cetyl Palmitate
(Fragrance, Emollient, Masking, Skin Conditioning) |
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Sorbitan Palmitate
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking) |
Allergens
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Phytic Acid
(Chelating Agent, Oral Care Agent) |
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Dehydroacetic Acid
(Preservative) |
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
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Melia Azadirachta Flower Extract
(Skin Conditioning) |
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Corallina Officinalis Extract
(Skin Conditioning) |
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Coccinia Indica Fruit Extract
(Skin Conditioning) |
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Solanum Melongena Fruit Extract
(Skin Conditioning) |
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Simmondsia Chinensis Seed Extract
(Abrasive, Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient) |
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Ocimum Sanctum Leaf Extract
(Skin Conditioning) |
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Ocimum Basilicum Flower/Leaf Extract
(Tonic) |
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Curcuma Longa Root Extract
(Fragrance, Perfuming) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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