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Smashbox Step-by-Step Contour Kit

Common questions

Is Smashbox Step-by-Step Contour Kit healthy?

Smashbox Step-by-Step Contour Kit scores 38/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the lower scores in Scout's catalog. Smashbox Step-by-Step Contour Kit scores 38/100.

How does Smashbox Step-by-Step Contour Kit compare to other makeup?

Smashbox Step-by-Step Contour Kit ranks #69 of 87 makeup in Scout's independent rankings. The current top score in the category is Primally Pure Lip Stick SPF 15 Lavender Mint at 100/100.

Which ingredients drive Smashbox Step-by-Step Contour Kit's score?

In Scout's ingredient-by-ingredient analysis, PTFE (Polytetrafluoroethylene) — confirmed on label, Phenoxyethanol, Nylon-12 (Microplastic) are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Smashbox Step-by-Step Contour Kit

38 Poor

At a glance

Beneficial ingredients 0
Harmful ingredients 7
Category Makeup
Summary

Smashbox Step-by-Step Contour Kit scores 38/100. Contains PTFE (polytetrafluoroethylene), a PFAS 'forever chemical,' confirmed on the ingredient label — in a multi-use face powder applied daily. Also contains Phenoxyethanol, Nylon-12, Dimethicone, synthetic fragrance, Parabens, and Polyethylene. Contouring involves applying product across cheekbones, jawline, and forehead — broad facial coverage that maximizes skin contact with these chemicals.

Key ingredients 7

PTFE (Polytetrafluoroethylene) — confirmed on label
Very Bad

PFAS forever chemical listed on the ingredient label. PTFE does not break down in the body or environment. Applied across broad areas of the face during contouring.

See more about PTFE (Polytetrafluoroethylene) — confirmed on label →
Nylon-12 (Microplastic)
Very Bad

Solid microplastic polymer used as a bulking agent. Does not biodegrade and accumulates in the environment.

See more about Nylon-12 (Microplastic) →
Parabens
Very Bad

Paraben preservatives that mimic estrogen and act as endocrine disruptors. Detected in breast tumor tissue. Banned or restricted in several countries.

See more about Parabens →
Polyethylene (Microplastic)
Very Bad

Microplastic polymer that persists indefinitely in the environment. Sheds particles during application and wear on the face.

See more about Polyethylene (Microplastic) →
Phenoxyethanol
Bad

Synthetic preservative that can irritate skin. Applied to multiple areas of the face in a daily-use contouring product.

See more about Phenoxyethanol →
Dimethicone
Bad

Silicone polymer that creates an occlusive barrier on skin, trapping other chemicals underneath and impeding natural skin function.

See more about Dimethicone →
Synthetic Fragrance
Bad

Undisclosed blend of synthetic chemicals. May contain phthalates, musks, or other endocrine disruptors.

See more about Synthetic Fragrance →

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