Ingredient · Updated

Propylene Glycol

Neutral in 1 Flagged in 22

Found in 23 productsSee all

What is Propylene Glycol?

Propylene Glycol is a synthetic liquid substance that absorbs water. It is mainly produced from petroleum products and is commonly used in the food, cosmetic, and pharmaceutical industries.

It's used as a solvent, humectant, and preservative, helping to retain moisture and dissolve active ingredients. The safety of propylene glycol is generally accepted, but some people can experience skin irritation or allergic reactions.

When you see Propylene Glycol on a label, it indicates its role as a moisture-retaining agent and solvent. The concentration and formulation type influence its effects and safety.

Commonly found in: Body Lotion, Deodorant, Skin Care, Whitening Products, Hand Sanitizer

What to watch

  • May cause skin irritation in sensitive individuals.
  • High doses or frequent exposure can lead to allergic reactions.

Benefits

  • Helps maintain moisture in cosmetic products.
  • Enhances the absorption of ingredients in topical applications.
FDA

Propylene glycol is recognized as safe (GRAS) by the FDA for use in foods, pharmaceuticals, and cosmetics.

Research

Research indicates generally low toxicity, but some studies highlight potential skin irritation and allergic responses.

Vegan

Propylene Glycol is not derived from animal sources and is considered vegan.

Sources: GRAS Substances (SCOGS) Database

Scout's take

Processed additive flagged under Scout's ingredient doctrine.

The case against

In large amounts, it can cause skin irritation or allergic reactions.

from the analysis of SMELLS BEGONE 15oz Odor Absorber Gel Air Freshener Lavender Vanilla

In rare cases, it may cause irritation in sensitive skin.

from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter

The case for

It helps to maintain the moisture content of the gel, ensuring it remains effective over time.

from the analysis of SMELLS BEGONE 15oz Odor Absorber Gel Air Freshener Lavender Vanilla

It helps to keep the skin hydrated and enhances the absorption of other ingredients.

from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter

Propylene glycol helps to keep the skin hydrated by attracting water.

from the analysis of Palmer's Cocoa Butter Formula® with Vitamin E Daily Body Lotion Tahitian Vanilla

More from Scout's analyses

Petroleum-derived humectant. Common irritant and allergen, especially with frequent application. Cleaner brands use glycerin alone.

from the analysis of AmLactin Daily Nourish 12% Lactic Acid Lotion

Petrochemical-derived humectant/solvent. Common irritant for sensitive skin; flagged on EWG and Skin Deep watchlists.

from the analysis of Dove 0% Aluminum Deodorant Cucumber & Green Tea

Propylene glycol is a synthetic humectant and penetration enhancer. It can cause contact dermatitis in sensitive individuals and increases the skin absorption of other ingredients, including the carcinogen contamination here.

from the analysis of CeraVe Acne Foaming Cream Cleanser (4% Benzoyl Peroxide)

All 23 products with Propylene Glycol

Zoviro Hand Sanitizer Wipes Tea Tree Scent
Zoviro Hand Sanitizer Wipes Tea Tree Scent
94 Excellent
Madona Hand Sanitizer
Madona Hand Sanitizer
91 Excellent
SmartCare Hand Sanitizer - 33.0 oz
SmartCare Hand Sanitizer - 33.0 oz
88 Excellent
Gold Bond Age Renew Retinol Overnight Body and Face Lotion Retinol Face and Body Lotion with Peptide Complex
Gold Bond Age Renew Retinol Overnight Body and Face Lotion Retinol Face and Body Lotion with Peptide Complex
78 Good
Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter
Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter
75 Good
Molly's Suds Dishwasher Pods | Natural Dishwasher Detergent Cuts Grease & Rinses Clean (Residue-Free) for Sparkling Dishes | 60 Auto-Release Tabs (Unscented)
Molly's Suds Dishwasher Pods | Natural Dishwasher Detergent Cuts Grease & Rinses Clean (Residue-Free) for Sparkling Dishes | 60 Auto-Release Tabs (Unscented)
75 Good
Palmer's Cocoa Butter Formula® with Vitamin E Daily Body Lotion Tahitian Vanilla
Palmer's Cocoa Butter Formula® with Vitamin E Daily Body Lotion Tahitian Vanilla
70 Good
SMELLS BEGONE 15oz Odor Absorber Gel Air Freshener Lavender Vanilla
SMELLS BEGONE 15oz Odor Absorber Gel Air Freshener Lavender Vanilla
70 Good
AmLactin Daily Nourish 12% Lactic Acid Lotion
AmLactin Daily Nourish 12% Lactic Acid Lotion
38 Poor
Tom's of Maine Long Lasting Fresh Apricot Deodorant
Tom's of Maine Long Lasting Fresh Apricot Deodorant
38 Poor
Tom's of Maine Men's Mountain Spring Long Lasting Deodorant
Tom's of Maine Men's Mountain Spring Long Lasting Deodorant
35 Poor
Eucerin Original Healing Cream
Eucerin Original Healing Cream
30 Poor
Dove 0% Aluminum Deodorant Cucumber & Green Tea
Dove 0% Aluminum Deodorant Cucumber & Green Tea
30 Poor
Tide EVO Detergent Original Scent
Tide EVO Detergent Original Scent
30 Poor
Germ-X Original Moisturizing Hand Sanitizer
Germ-X Original Moisturizing Hand Sanitizer
28 Poor
Purell Advanced Hand Sanitizer Refreshing Gel
Purell Advanced Hand Sanitizer Refreshing Gel
27 Poor
Axe Apollo Aluminum Free Deodorant
Axe Apollo Aluminum Free Deodorant
25 Poor
Carpe 100HR Sweat & Odor Control Antiperspirant Deodorant - Fragrance Free - 1.76oz: Paraben-Free, Phthalate-Free, Vegan, Cream
Carpe 100HR Sweat & Odor Control Antiperspirant Deodorant - Fragrance Free - 1.76oz: Paraben-Free, Phthalate-Free, Vegan, Cream
23 Poor
Secret Outlast Completely Clean Clear Gel Antiperspirant
Secret Outlast Completely Clean Clear Gel Antiperspirant
15 Poor
Bath & Body Works PocketBac Japanese Cherry Blossom Hand Sanitizer
Bath & Body Works PocketBac Japanese Cherry Blossom Hand Sanitizer
12 Poor
Crumbl Strawberry Shortcake Cookie
Crumbl Strawberry Shortcake Cookie
1 Poor
CeraVe Acne Foaming Cream Cleanser (4% Benzoyl Peroxide)
CeraVe Acne Foaming Cream Cleanser (4% Benzoyl Peroxide)
1 Poor
CeraVe Acne Foaming Cream Wash (10% Benzoyl Peroxide)
CeraVe Acne Foaming Cream Wash (10% Benzoyl Peroxide)
1 Poor

Where Propylene Glycol shows up

Higher-scoring picks without Propylene Glycol

Products from the same categories whose analyzed ingredient list does not include Propylene Glycol, scoring 80 or above.

Scan any product to see every ingredient explained — and healthier swaps.