#5 The Serum
The Rationale #5 The Serum is a serums, essence, ampoule. Our analysis of its 55 ingredients (33 low-risk) rates it Excellent (94/100).
Product Ingredient Safety Breakdown (EWG Rating Ratings)
CIR Findings Breakdown
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
1
|
|
Water
(Solvent) |
|
|
1
|
A
|
Ethoxydiglycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Humectant, Perfuming) |
|
|
1
|
|
Vaccinium Myrtillus Fruit Extract
(Skin Conditioning) |
|
|
1
|
|
Dimethyl Isosorbide
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
|
4
|
B
|
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative) |
Good for Oily Skin
Bad for Sensitive Skin
|
|
4
|
B
|
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
|
|
|
Saccharum Officinarum Extract
(Moisturising, Skin Conditioning) |
|
|
2
|
A
|
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
|
|
|
|
Citrus Aurantium Dulcis Fruit Extract
(Fragrance, Skin Conditioning) |
|
|
|
|
Citrus Limon Fruit Extract
(Fragrance, Skin Conditioning) |
|
|
1
|
|
Sodium Levulinate
(Skin Conditioning) |
|
|
|
|
Acer saccharum extract
(Skin Conditioning) |
|
|
|
|
Diutan Gum
(Viscosity Controlling) |
|
|
|
|
Melaleuca Alternifolia Leaf
(Abrasive, Skin Conditioning) |
|
|
1
|
|
Sodium Anisate
(Antimicrobial, Flavoring Agent) |
|
|
|
|
Mentha Australis Leaf Extract
(Skin Conditioning) |
|
|
1
|
A
|
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
|
|
|
Santalum Spicatum Seed Oil
(Skin Conditioning) |
|
|
|
|
Citrus Aurantium Dulcis Oil
(Fragrance) |
|
|
|
|
Citrus Aurantium Bergamia Leaf Oil
(Astringent) |
|
|
1
|
|
Juniperus Mexicana Oil
(Fragrance, Masking) |
|
|
1
|
|
Pelargonium Graveolens Oil
(Masking, Perfuming) |
|
|
|
|
Citrus Aurantium Amara Flower Oil
(Fragrance, Skin Conditioning) |
|
|
|
|
Eugenia Caryophyllus Leaf Oil
(Fragrance, Perfuming, Skin Conditioning, Tonic) |
|
|
|
|
Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming) |
|
|
|
|
citrus grandis peel oil
(Fragrance, Perfuming, Skin Conditioning) |
|
|
|
|
Citrus Limon Peel Oil
(Fragrance, Perfuming, Skin Conditioning) |
|
|
1
|
|
Litsea Cubeba Fruit Oil
(Masking, Perfuming, Tonic) |
|
|
1
|
A
|
Pentylene Glycol
(Skin Conditioning, Solvent) |
|
|
1
|
A
|
Magnesium Aspartate
(Skin Conditioning) |
|
|
3
|
|
Zinc Gluconate
(Cosmetic Biocide, Skin Conditioning, Deodorant) |
|
|
|
|
Citrus Australasica Fruit Extract
(Antioxidant, Humectant, Skin Conditioning) |
|
|
3
|
A
|
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
|
|
2
|
A
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
2
|
|
Copper Gluconate
(Skin Conditioning, Skin Protecting) |
|
|
3
|
A
|
Potassium Sorbate
(Fragrance, Preservative) |
|
|
1
|
A
|
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning) |
|
|
1
|
A
|
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
|
|
1
|
A
|
Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent) |
|
|
1
|
A
|
Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
|
|
1
|
A
|
Leucine
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
|
|
1
|
A
|
Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
|
|
1
|
A
|
Lysine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
|
|
1
|
A
|
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
|
|
1
|
A
|
Tyrosine
(Fragrance, Hair Conditioning, Proprietary, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Masking, Skin Conditioning) |
|
|
1
|
A
|
Phenylalanine
(Fragrance, Hair Conditioning, Skin Conditioning) |
|
|
1
|
A
|
Proline
(Fragrance, Hair Conditioning, Skin Conditioning) |
|
|
1
|
A
|
Threonine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening) |
|
|
1
|
A
|
Valine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
|
|
1
|
A
|
Isoleucine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
|
|
1
|
A
|
Histidine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant) |
|
|
6
|
|
Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
7
|
|
Citral
(Flavoring Agent, Fragrance, Masking) |
Allergens
|
|
5
|
|
Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
|
5
|
|
Citronellol
(Fragrance, Masking) |
Allergens
|
