Ingredient review

Ethylidenebicycloheptyl Propionate

INCI: 5-ETHYLIDENEBICYCLOHEPT-2-YL PROPIONATE

A synthetic scent ingredient that adds a woody note but may cause irritation in sensitive individuals.

beautyskincarefragrance

In plain English

This is a man-made chemical added to products to give them a pleasant, woody smell. It's a type of fragrance ingredient, and like many fragrance components, it doesn't provide any skin benefit beyond scent. Because it's a fragrance, it can sometimes cause skin reactions in people who are sensitive to synthetic scents.

Quick decision guide

Useful, but context matters

Ethylidenebicycloheptyl Propionate can be useful, but watch for some irritation potential.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Ethylidenebicycloheptyl Propionate.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

moderate

Can bother some users, especially with frequent use, damaged skin, or strong companion ingredients.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

emerging

The ingredient may be promising, but claims should be treated more cautiously.

What it is

A synthetic organic compound from the bicyclic ester family, used specifically as a fragrance ingredient in cosmetics and personal care products.

How it works

It evaporates from the skin's surface, releasing a woody scent that interacts with olfactory receptors. It has no known active role in skincare beyond providing fragrance.

Pros

Pleasant scent

Adds a subtle, woody fragrance that many find appealing in lotions and perfumes.

Low comedogenic risk

Unlikely to clog pores, making it suitable for most skin types in terms of acne risk.

Cons and cautions

Potential irritant

As a synthetic fragrance, it can cause redness, itching, or stinging in people with sensitive or reactive skin.

No skin benefit

Provides only scent and no moisturizing, anti-aging, or protective benefits for the skin.

Best for

  • People who enjoy scented products and have no history of fragrance allergies
  • Those using products where a woody scent is desired

Use caution if

  • Individuals with sensitive skin or known fragrance allergies
  • Anyone following a fragrance-free skincare routine

Usage tips

Patch test any product containing this ingredient on a small area of skin before full use.
If you have fragrance sensitivities, look for products labeled 'fragrance-free' to avoid this ingredient.

Safety summary

Generally considered safe at low concentrations for most people, but can cause skin irritation in sensitive individuals. Limited long-term safety data is available.

Research notes

There is minimal peer-reviewed research specifically on this ingredient. Safety assessments rely on general fragrance ingredient guidelines from industry panels like IFRA.

Common label clues

Typical concentration
Very low, typically less than 1%
Regulatory status
Approved for use in cosmetics in the EU and US, but subject to concentration limits set by fragrance industry safety standards.
Common uses
Fragranced skincare, Perfumes, Body lotions
Environmental note
As a synthetic compound, its environmental persistence and impact are not well-studied; natural fragrance alternatives may be more biodegradable.

Good to know

  • This ingredient is often listed simply as 'fragrance' or 'parfum' on labels, so it may not appear by its full chemical name.
  • Regulatory bodies like the IFRA (International Fragrance Association) set usage limits for fragrance ingredients to minimize irritation risk.

Common questions

What is Ethylidenebicycloheptyl Propionate in beauty products?

This is a man-made chemical added to products to give them a pleasant, woody smell. It's a type of fragrance ingredient, and like many fragrance components, it doesn't provide any skin benefit beyond scent. Because it's a fragrance, it can sometimes cause skin reactions in people who are sensitive to synthetic scents.

What does Ethylidenebicycloheptyl Propionate do in a beauty product?

It evaporates from the skin's surface, releasing a woody scent that interacts with olfactory receptors. It has no known active role in skincare beyond providing fragrance.

Is Ethylidenebicycloheptyl Propionate safe for most people?

Generally considered safe at low concentrations for most people, but can cause skin irritation in sensitive individuals. Limited long-term safety data is available.

Who should be careful with Ethylidenebicycloheptyl Propionate?

Individuals with sensitive skin or known fragrance allergies Anyone following a fragrance-free skincare routine

Research sources

IFRA StandardsOpenCosIng Database (EU)Open

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.