Bos Volumize Hair Thickening Fibers

BosleyMD

Bos Volumize Hair Thickening Fibers

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About this product

The BosleyMD Bos Volumize Hair Thickening Fibers is a misc. Our analysis of its 8 ingredients (7 low-risk) rates it Excellent (88/100).

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
8
Low-risk
7
Fragrance
Fragrance-free
Origin
United States
Data updated
Jun 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 0/2
Caution for dry skin
Cetrimonium Chloride Silica
Oily/Acne-Prone Skin No data
Sensitive Skin 0/1
Caution for sensitive skin
DMDM Hydantoin

Ingredients list

8 total
Lower hazard (1) Higher hazard (7)
All8 Cosmetic Colorant4 Skin Conditioning2 Preservative2 Colorant2 Hair Conditioning1 Antistatic Agent1 Cosmetic Biocide1 Emulsifying1
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
A
Keratin
(Hair Conditioning, Skin Conditioning)
3
B
Cetrimonium Chloride
(Antistatic Agent, Cosmetic Biocide, Emulsifying, Surfactant, Antimicrobial, Preservative)
7
A
DMDM Hydantoin
(Preservative)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
2
CI 42090
(Colorant, Cosmetic Colorant)
3
CI 19140
(Colorant, Cosmetic Colorant)
2
CI 17200
(Cosmetic Colorant)
1
CI 15985
(Cosmetic Colorant)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

Good For Oily SkinBalances oil and helps reduce shine.
Reduces Large PoresMinimizes the look of enlarged pores.

Concerns

DMDM Hydantoin — higher EWG
May not suit dry skin
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Keratin
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Hair conditioningSkin conditioning
Cetrimonium Chloride
Antistatic agent, Cosmetic biocide
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Antistatic agentCosmetic biocideEmulsifyingSurfactantAntimicrobialPreservative
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
CI 42090
Colorant, Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 2 ColorantCosmetic colorant
CI 19140
Colorant, Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 3 ColorantCosmetic colorant
CI 17200
Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 2 Cosmetic colorant
CI 15985
Cosmetic colorant
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic colorant
DMDM Hydantoin
Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Preservative

How to use

How to use

  • 1 Morning & evening: Suitable for both AM and PM use.

General guidance from this product's category and active ingredients — always follow the directions on the package.

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