Rationale 5 The Serum, 1.0 fl oz/30 mL by Rationale: Ingredient Analysis

1

Acer Saccharum (Sugar Maple) Extract EWG 1

Keratolytic

2

Alanine EWG 1

Fragrance ingredient Antistatic agent Moisturising Masking Hair conditioning Humectant Skin conditioning agent

Hair ConditioningBarrier supportSmoothingBarrier RepairAntistaticMoisturizingSoftening

3

Water Aqua Eau 10 EWG 1-2

Emollient Skin conditioning agent

ConditioningBarrier support Comedogenic 1/5

4

Arginine EWG 1

Fragrance ingredient Antistatic agent Masking Hair conditioning Buffering agent Humectant Skin conditioning agent PH adjuster

RegenerationHair ConditioningHealingBarrier supportSmoothingBarrier RepairElasticity ImprovementSoothingAntioxidant

5

Aspartic Acid EWG 1

Fragrance ingredient Antistatic agent Masking Hair conditioning Skin conditioning agent

RejuvenationLighteningMoisturizing

6

Butylene Glycol EWG 1-3

Fragrance ingredient Masking Humectant Solvent Skin conditioning agent Viscosity controlling agent

Hair Loss PreventionMoisturizingSoftening Comedogenic 1/5

7

Carbomer EWG 1

Gel forming Emulsion stabilizer Viscosity controlling agent

Moisturizing

8

Citral EWG 3-5

Flavoring agent Fragrance ingredient Masking

Allergen

9

Citric Acid EWG 1-2

Fragrance ingredient Masking Buffering agent Chelating agent PH adjuster

Hair GrowthLiftingCleansingSoothingExfoliatingLighteningAntioxidant

10

Citronellol EWG 3-4

Fragrance ingredient Masking

Allergen

11

Citrus Aurantium Neroli Oil 0 EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

12

Citrus Aurantium Bergamia (Bergamot) Fruit Oil EWG 1-2

Fragrance ingredient Masking

13

Citrus Aurantium Bergamia (Bergamot) Leaf Oil EWG 1

Astringent

14

Citrus Aurantium Dulcis (Orange) Fruit Extract EWG 2-4

Fragrance ingredient Masking Skin conditioning agent

15

Citrus Aurantium Dulcis (Orange) Oil EWG 5

Fragrance ingredient Masking Skin conditioning agent Astringent Tonic

16

Citrus Australasica Finger Lime Fruit Extract EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

17

Citrus Grandis (Grapefruit) Seed Oil EWG 1

18

Citrus Limonum Lemon Extract EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

19

Citrus Limonium Lemon Oil EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

20

Copper Gluconate EWG 2

Skin protecting Skin conditioning agent

21

Dimethyl Isosorbide EWG 1

Solvent Viscosity controlling agent

22

Diutan Gum EWG 1-3

Skin conditioning agent

23

Ethoxydiglycol EWG 1-2

Fragrance ingredient Humectant Solvent Viscosity controlling agent

Hair Structure ImprovementMoisturizing

24

Ethylhexylglycerin EWG 2

Skin conditioning agent Deodorant agent

DeodorantAntisepticMoisturizingSoftening

25

Eugenia Caryophyllus (Clove) Oil EWG 3-4

26

Glutamic Acid EWG 1

Fragrance ingredient Antistatic agent Hair conditioning Humectant

Hair ConditioningHair Loss PreventionAntioxidant

27

Diglycerin EWG 1

Fragrance ingredient Moisturising Hair conditioning Oral care agent Skin protecting Humectant Solvent Skin conditioning agent Oral health care drug Viscosity controlling agent Denaturant

Hair Structure ImprovementBarrier supportSmoothingMoisturizingSofteningHair Gloss

28

Glycine EWG 1

Fragrance ingredient Antistatic agent Hair conditioning Buffering agent Humectant Skin conditioning agent Soothing

HealingBarrier supportSmoothingBarrier RepairSoothingMoisturizingAntioxidant

29

Histidine EWG 1

Fragrance ingredient Antistatic agent Hair conditioning Humectant Skin conditioning agent

Hair Structure ImprovementRegenerationHair Follicle NutritionHair ConditioningHealingHair StrengtheningNutrifying

30

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer EWG 1

Suspending agent Emulsion stabilizer Viscosity controlling agent Opacifying agent

31

Hexadecane EWG 1-3

Emollient Skin protecting Solvent Skin conditioning agent

Barrier supportProtectionSmoothingSoftening Comedogenic 1/5

32

Isoleucine EWG 1

Fragrance ingredient Antistatic agent Hair conditioning Skin conditioning agent

33

Juniperus Mexicana Oil EWG 1

Fragrance ingredient Masking

34

Lactic Acid EWG 1-4

Fragrance ingredient Buffering agent Humectant Skin conditioning agent Exfoliant PH adjuster

Hair Structure ImprovementHair GrowthRejuvenationHealingCleansingSoothingLighteningMoisturizingAcne fighting

35

Lauryl Lactate EWG 1

Fragrance ingredient Emollient Skin conditioning agent

Cleansing

36

Leucine EWG 1

Fragrance ingredient Hair conditioning Skin conditioning agent

ConditioningBarrier supportSmoothingNutrifying

37

Limonene EWG 4-5

Fragrance ingredient

Antiseptic Allergen

38

Linalool EWG 3

Deodorant Fragrance ingredient Masking

Allergen

39

Litsea Cubeba Fruit Oil EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

40

Lysine EWG 1

Fragrance ingredient Antistatic agent Hair conditioning Skin conditioning agent

RejuvenationMoisturizing

41

Magnesium Aspartate EWG 1

Skin conditioning agent

42

Melaleuca Alternifolia (Tea Tree) Extract EWG 1

Skin conditioning agent

AntifungalAntisepticSoothingAnti Dandruff

43

Mentha Australis Leaf Extract River Mint EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

44

Pelargonium Graveolens Geranium Oil 1 EWG 1-3

Fragrance ingredient Skin conditioning agent

SoothingAntioxidant Comedogenic 1/5

45

Pentylene Glycol EWG 1

Solvent Skin conditioning agent

Hair ConditioningMoisturizing

46

Phenylalanine EWG 1

Fragrance ingredient Hair conditioning Skin conditioning agent

47

Polysorbate-60 EWG 3

Fragrance ingredient Solubilizing agent Emulsifying agent Surfactant

AntisepticSoothing Malassezia Feeding

48

Potassium Sorbate EWG 2

Fragrance ingredient Preservative

AntifungalAntiseptic

49

Proline EWG 1

Fragrance ingredient Moisturising Hair conditioning Humectant Skin conditioning agent

RegenerationHealingAnti AgingBarrier supportSmoothingBarrier RepairElasticity ImprovementSoothingMoisturizingSoftening

50

Saccharum Officinarum (Sugar Cane) Extract EWG 1

Moisturising Skin conditioning agent

51

Salicylic Acid EWG 1-3

Corn/callus/wart remover Fragrance ingredient Keratolytic Antiacne agent Masking Hair conditioning Antidandruff agent Skin conditioning agent Exfoliant Denaturant Preservative

CleansingAntisepticSoothingAcne fighting

52

Santalum Spicatum (Sandalwood) Oil EWG 1

53

Serine EWG 1

Fragrance ingredient Antistatic agent Moisturising Masking Hair conditioning Humectant Skin conditioning agent

Hair ConditioningBarrier supportProtectionSmoothingBarrier RepairSoothingMoisturizing

54

Sodium Anisate EWG 1

55

Sodium Benzoate EWG 1-3

Fragrance ingredient Masking Anticorrosive Preservative

AntifungalAntiseptic

56

Sodium Levulinate EWG 1

Skin conditioning agent

57

Sorbitan Isostearate EWG 1

Emulsifying agent Surfactant

Softening Comedogenic 2/5

58

Threonine EWG 1

Fragrance ingredient Antistatic agent Hair waving or straightening Hair conditioning Skin conditioning agent

Hair ConditioningAnti Aging

59

Tyrosine EWG 1-2

Fragrance ingredient Antistatic agent Masking Hair conditioning Skin conditioning agent Antioxidant Proprietary

AntioxidantNutrifying

60

Vaccinium Myrtillus (Bilberry) Extract EWG 1

Skin conditioning agent Astringent Tonic Refreshing

61

Valine EWG 1

Fragrance ingredient Antistatic agent Masking Hair conditioning Skin conditioning agent

62

Zinc Gluconate EWG 2-3

Deodorant Skin conditioning agent Biocide

Rationale 5 The Serum, 1.0 fl oz/30 mL

Product Claims

✓ Benefits

! Concerns