Free U.S. shipping on every orderUSDA Certified OrganicMade in the USAVitamin E in every tubeSmall-batch lip balmFree U.S. shipping on every orderUSDA Certified OrganicMade in the USAVitamin E in every tubeSmall-batch lip balmFree U.S. shipping on every orderUSDA Certified OrganicMade in the USAVitamin E in every tubeSmall-batch lip balm
Home/Daily Ingredient
Day 23 of 50 / Toxic ingredient spotlight

Propylene Glycol.

Monday, August 10, 2026

Also known as: 1,2-propanediol, propane-1,2-diol, methyl ethyl glycol, PG

Irritant
Hazard score

The read.

1 = low concern, 10 = avoid

Hazard Score
5
Moderate Concern
Quick facts

At a glance.

5/10

Hazard Score

11

Products Found

Allowed

Regulatory Status

4

Known Aliases

Commonly found in

Why it matters

Why you should care.

A synthetic liquid used as a humectant, solvent, and penetration enhancer in cosmetics. While considered safe at low concentrations, it is a skin irritant at higher levels and enhances absorption of other ingredients — including harmful ones.

Top Health Concern

Skin irritant and sensitizer at concentrations above 2%, causing redness, itching, and contact dermatitis.

+2 more health risks documented. Read full analysis

In the wild

Found in these products.

11 products in our database contain propylene glycol.

CoverGirl

CoverGirl Melting Pout Vinyl

5 flagged ingredients3/10

L'Oréal Paris

L'Oréal Paris Age Perfect Satin Lipstick

3 flagged ingredients5/10

Aveeno

Aveeno Absolutely Ageless Restorative Night Cream

5 flagged ingredients4/10

Cetaphil

Cetaphil Gentle Skin Cleanser

2 flagged ingredients3/10
See all 11 products
Switch to

The Numbrrrz alternative.

Numbrrrz uses Organic Coconut Oil and Organic Jojoba Oil for natural moisture retention without synthetic humectants or penetration enhancers like propylene glycol.

vegetable glycerinhyaluronic acidaloe verahoneysodium PCA
Numbrrrz organic lip balm — four ingredients, nothing else

Yesterday

Dimethicone

Tomorrow

Polyethylene Glycol (PEG Compounds)

Day 23 of 50

The archive

All 50 ingredients.

A new ingredient is featured every day. Explore the full database below.

7

Petroleum / Petrolatum

6

Mineral Oil

5

Paraffin Wax

8

Parabens

9

Formaldehyde Releasers

4

Phenoxyethanol

8

Methylisothiazolinone

7

BHA (Butylated Hydroxyanisole)

5

BHT (Butylated Hydroxytoluene)

7

Camphor

6

Menthol

7

Phenol

6

Salicylic Acid

9

Phthalates

8

Triclosan

8

Oxybenzone

7

Octinoxate

6

Homosalate

5

Avobenzone

7

Synthetic Fragrance

6

Artificial Colors

4

Dimethicone

Today

5

Propylene Glycol

6

Polyethylene Glycol (PEG Compounds)

7

DEA, MEA & TEA (Ethanolamines)

6

Sodium Lauryl Sulfate (SLS)

5

Sodium Laureth Sulfate (SLES)

7

Synthetic Dyes (FD&C in Lip Products)

5

Octisalate

10

Lead

9

Coal Tar

5

Bismuth Oxychloride

7

Talc

8

Carbon Black

4

Lanolin

3

Palm Oil

6

Retinyl Palmitate

9

Hydroquinone

8

Toluene

5

Aluminum Compounds

7

Siloxanes (Cyclic Silicones)

5

Titanium Dioxide (Nanoparticle Form)

8

Benzophenone

8

Methylchloroisothiazolinone (MCI)

9

Quaternium-15

7

Imidazolidinyl Urea

4

EDTA (Ethylenediaminetetraacetic Acid)

6

Triethanolamine (TEA)

5

Ceteareth-20

3

Polybutene

Share today's ingredient

Help your friends learn about what's really in their products.

Skip the Propylene Glycol

Choose Numbrrrz.

Four organic ingredients. Zero toxins. The lip balm your body deserves.