Find products and ingredients Learn how Skin Deep® works Meet our experts Discover EWG VERIFIED™

Data: Fair

Bht

IMAGE SOURCE: PubChem

SEARCH PRODUCTS

Other Concerns

Endocrine disruption (low), Non-reproductive organ system toxicity (moderate), and Irritation (skin, eyes, or lungs) (moderate)

SYNONYMS

2,6-BIS(1,1-DIMETHYLETHYL)-4-METHYL- PHENOL, 2,6-BIS(1,1-DIMETHYLETHYL)-4-METHYLPHENOL, 2,6-BIS(1,1-DIMETHYLETHYL)-4-METHYLPHENOL; 2,6-DI-TERT-BUTYL-4-METHYLPHENOL; PHENOL, 2,6-BIS(1,1-DIMETHYLETHYL)-4-METHYL-, 2,6-DI-T-BUTYL-P-CRESOL, 2,6-DI-TERT-BUTYL-P-CRESOL, BHT, BUTYLATED HYDROXYTOLUENE, DBPC, DIBUTYLHYDROXYTOLUENE, PHENOL, 2,6-BIS(1,1-DIMETHYLETHYL)-4-METHYL-, and PHENOL, 2,6BIS(1,1DIMETHYLETHYL)4METHYL

Restricted

Restricted: EWG VERIFIED products cannot contain this ingredient without adequate substantiation


Butylated hydroxytoluene (BHT) is a toluene-based ingredient used as a preservative in food and personal care products.

Common concerns

See how this product scores for common concerns.

  • MODERATE
    Cancer
  • MODERATE
    Allergies & Immunotoxicity
  • LOW
    Developmental and Reproductive Toxicity
  • LOW
    Use Restrictions

Ingredient concerns

  • CONCERNS
  • DATA SOURCES

Products with this Ingredient

Expand content Collapse content
foundation348 products
lipstick346 products
lip gloss260 products
antiperspirant/deodorant160 products
eye shadow133 products
fragrance for women122 products
body wash/cleanser121 products
eye liner119 products
concealer112 products
moisturizer111 products
facial moisturizer/treatment110 products
lip balm98 products
daily use with SPF87 products
mascara85 products
hair treatment/serum81 products
antiperspirant/deodorant (men's)74 products
fragrance for men74 products
recreational sunscreen66 products
brow liner63 products
lip balm with SPF60 products
shampoo52 products
lip liner50 products
conditioner49 products
serums & essences42 products
blush40 products
mask38 products
bronzer/highlighter37 products
hand cream35 products
facial cleanser35 products
hair styling aide34 products
exfoliant/scrub32 products
makeup primer29 products
anti-aging26 products
lip plumper26 products
liquid hand soap24 products
facial powder23 products
around-eye cream23 products
shaving cream23 products
hair spray21 products
toothpaste20 products
setting powder/spray19 products
body oil17 products
sunless tanning17 products
hair-loss treatment17 products
body spray16 products
after shave14 products
body firming lotion13 products
13 products
shaving cream (men's)12 products
nail glue12 products
bath oil/salts/soak10 products
BB cream10 products
styling gel/lotion8 products
bar soap8 products
toners/astringents7 products
bubble bath7 products
skin fading/lightener6 products
detangler5 products
cuticle treatment4 products
nail treatment4 products
makeup remover4 products
hair color and bleaching4 products
hand sanitizer4 products
baby lotion3 products
foot moisturizer3 products
nail polish3 products
styling mousse/foam3 products
baby sunscreen3 products
beard oil3 products
baby shampoo3 products
hair removal waxes2 products
baby soap2 products
beard care2 products
glitter2 products
beard cleanser2 products
foot odor control1 products
depilatory1 products
tooth whitening1 products
oil controller1 products
depilatory (men's)1 products

Cancer

Expand content Collapse content
CONCERN REFERENCE
Limited evidence of carcinogenicityOpen scientific literature
One or more in vitro tests on mammalian cells show positive mutation resultsOpen scientific literature
One or more animal studies show tumor formation at high dosesOpen scientific literature

Allergies/immunotoxicity

Expand content Collapse content
CONCERN REFERENCE
One or more human case studies show significant any or allergenic effectsNational Library of Medicine HazMap

Irritation (skin, eyes, or lungs)

Expand content Collapse content
CONCERN REFERENCE
Human respiratory irritant - moderate evidenceOpen scientific literature

Organ system toxicity (non-reproductive)

Expand content Collapse content
CONCERN REFERENCE
Classified as expected to be toxic or harmfulEnvironment Canada Domestic Substance List

Endocrine disruption

Expand content Collapse content
CONCERN REFERENCE
One or more studies show weak endocrine disruptionOpen scientific literature

Developmental/reproductive toxicity

Expand content Collapse content
CONCERN REFERENCE
One or more animal studies show developemental effects at high dosesOpen scientific literature

Data gaps

Expand content Collapse content
CONCERN REFERENCE
Risk assessment method deficiencies and data gaps - Maximum reported "as used" concentration is basis of safety assessment by industry safety panel (Cosmetic Ingredient Review, CIR) - implicit safe concentration limit in productCosmetic Ingredient Review Assessments
5406 studies in PubMed science library may include information on the toxicity of this chemicalNLM PubMed

Multiple, additive exposure sources

Expand content Collapse content
CONCERN REFERENCE
Designated as safe for general or specific, limited use in foodFDA Everything Added to Food
Designated as safe for general or specific, limited use in foodFDA Food Additive Status

Informational

Expand content Collapse content
CONCERN REFERENCE
Industry or government recommendations for safe use: restrictions on concentration, impurities, product types, or manufacturing methods - anyCosmetic Ingredient Review Assessments
  • Open scientific/peer reviewed literature
  • NLM (National Library of Medicine). 2006. HazMap — Occupational Exposure to Hazardous Agents.
  • EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry.
  • CIR (Cosmetic Ingredient Review). 2006. CIR Compendium, containing abstracts, discussions, and conclusions of CIR cosmetic ingredient safety assessments. Washington DC.
  • NLM (National Library of Medicine). 2012. PubMed online scientific bibliography data. http://www.pubmed.gov.
  • FDA (U.S. Food and Drug Administration). 2008. EAFUS [Everything Added to Food]: A Food Additive Database. FDA Office of Food Safety and Applied Nutrition.
  • FDA (U.S. Food and Drug Administration) 2006. Food Additive Status List. Downloaded from http://www.cfsan.fda.gov/%7Edms/opa-appa.html, Oct 16, 2006.

Understanding scores

Cosmetics and personal care products are not required to be tested for safety before being allowed on the market. The Skin Deep® scoring system was designed to help the public understand whether a product is safe to use or whether it contains ingredients of concern.

Every product and ingredient in Skin Deep gets a two-part score – one for hazard and one for data availability. The safest products score well by both measures, with a low hazard rating and a fair or better data availability rating.

HOW WE DETERMINE SCORES

Hazard score

The Skin Deep ingredient hazard score, from 1 to 10, reflects known and suspected hazards linked to the ingredients. The EWG VERIFIED™ mark means a product meets EWG’s strictest criteria for transparency and health.

Score legend

Data availability

The Skin Deep data availability rating reflects the number of scientific studies about the product or ingredient in the published scientific literature.

NONE LIMITED FAIR GOOD ROBUST
Low Availability
Moderate Availability
High Availability

Can’t find your product?

Enter the ingredients in EWG’s Build Your Own Report tool to get an approximate score for that product.

BUILD YOUR OWN REPORT

EWG VERIFIED™
Holiday Gift Set

Get Yours with a Donation of $125

ORDER NOW