Ingredient review
Hexahydro Tetramethyl Methanonaphthalene Methyl Formate
INCI: HEXAHYDRO-TETRAMETHYL-METHANONAPHTHALENE-8-METHYL FORMATE
A synthetic fragrance compound that adds a warm, woody scent but offers no skincare benefits and may cause sensitivity in some individuals.
In plain English
This is a man-made chemical that smells like wood or amber. It is added to products like lotions and perfumes just for the scent. It does not moisturize, treat, or improve your skin in any way. If you have sensitive skin or allergies to fragrances, you might want to avoid products with this ingredient.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Hexahydro Tetramethyl Methanonaphthalene Methyl Formate is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Hexahydro Tetramethyl Methanonaphthalene Methyl Formate.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- 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
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
A synthetic organic compound from the class of polycyclic musks, specifically designed to mimic natural woody or amber notes in fragrance formulations.
How it works
It functions solely as a fragrance ingredient. When applied to the skin, it evaporates and interacts with olfactory receptors to produce a scent. It has no known active role in skin conditioning or protection.
Pros
Pleasant Scent Profile
Adds a warm, woody, amber-like fragrance that many find appealing and long-lasting.
Low Irritation for Most
At typical low concentrations, it is generally well-tolerated by people without fragrance sensitivities.
Cons and cautions
No Skincare Benefit
This ingredient only provides scent; it does not hydrate, soothe, or protect the skin in any way.
Potential Allergen
As a synthetic fragrance, it can trigger allergic reactions or irritation in people with sensitive skin or fragrance allergies.
Best for
- People who enjoy woody, warm fragrances in their products
- Those without known fragrance sensitivities
Use caution if
- Individuals with fragrance allergies or sensitive, reactive skin
Usage tips
Safety summary
Generally recognized as safe for use in cosmetics at low concentrations, but may cause skin sensitization in susceptible individuals. Always patch test if you have fragrance allergies.
Research notes
Limited peer-reviewed studies specifically on this compound, but it falls under the broader safety assessments of synthetic fragrance ingredients by bodies like IFRA and the Research Institute for Fragrance Materials (RIFM).
Common label clues
- Typical concentration
- Typically used at very low levels, often below 1% in finished products.
- Regulatory status
- Approved for use in cosmetics in the EU, US, and other major markets, subject to concentration limits set by fragrance safety standards.
- Common uses
- Perfumes, Fragranced Lotions, Body Washes
- Environmental note
- As a synthetic compound, its environmental persistence and bioaccumulation potential are less studied than some natural alternatives, but it is not known to be a major pollutant.
Good to know
- Fragrance ingredients are often listed simply as 'fragrance' or 'parfum' on labels, so this specific compound may not always be individually named.
- Regulatory bodies like the International Fragrance Association (IFRA) set safety standards for its use in cosmetics.
Common questions
What is Hexahydro Tetramethyl Methanonaphthalene Methyl Formate in beauty products?
This is a man-made chemical that smells like wood or amber. It is added to products like lotions and perfumes just for the scent. It does not moisturize, treat, or improve your skin in any way. If you have sensitive skin or allergies to fragrances, you might want to avoid products with this ingredient.
What does Hexahydro Tetramethyl Methanonaphthalene Methyl Formate do in a beauty product?
It functions solely as a fragrance ingredient. When applied to the skin, it evaporates and interacts with olfactory receptors to produce a scent. It has no known active role in skin conditioning or protection.
Is Hexahydro Tetramethyl Methanonaphthalene Methyl Formate safe for most people?
Generally recognized as safe for use in cosmetics at low concentrations, but may cause skin sensitization in susceptible individuals. Always patch test if you have fragrance allergies.
Who should be careful with Hexahydro Tetramethyl Methanonaphthalene Methyl Formate?
Individuals with fragrance allergies or sensitive, reactive skin
Research sources
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.