OPI Nail Envy Nail Strengthener - Original Versus Sally Hansen Hard as Nails Nail Hardener
Updated on May 11, 2025
Overview
What they are
These products are both fungal acne (malassezia) safe nail care. They have a total of 9 ingredients in common
Free From
They both do not contain any oils, parabens or sulfates
What's Inside
They both contain harsh alcohols, common allergens and fragrances
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
OPI Nail Envy Nail Strengthener - Original 21 ingredients
Sally Hansen Hard as Nails Nail Hardener 10 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
OPI Nail Envy Nail Strengthener - Original 21 ingredients
Sally Hansen Hard as Nails Nail Hardener 10 ingredients
Concerns
Concerns
Ingredients Side-by-side
Ethyl Acetate
Perfuming
Butyl Acetate
MaskingNitrocellulose
Propyl Acetate
Perfuming
Tosylamide/Formaldehyde Resin
Isopropyl Alcohol
Solvent
Triphenyl Phosphate
Trimethyl Pentanyl Diisobutyrate
N-Butyl Alcohol
Perfuming
Formaldehyde
Stearalkonium Bentonite
Gel FormingCamphor
Masking
Diacetone Alcohol
MaskingEthyl Tosylamide
Benzophenone-1
UV Absorber
Citric Acid
Buffering
Hydrolyzed Wheat Protein
Skin ConditioningDimethicone
Emollient
Calcium Pantothenate
CI 60725
Cosmetic ColorantCI 77891
Cosmetic ColorantEthyl Acetate, Butyl Acetate, Nitrocellulose, Propyl Acetate, Tosylamide/Formaldehyde Resin, Isopropyl Alcohol, Triphenyl Phosphate, Trimethyl Pentanyl Diisobutyrate, N-Butyl Alcohol, Formaldehyde, Stearalkonium Bentonite, Camphor, Diacetone Alcohol, Ethyl Tosylamide, Benzophenone-1, Citric Acid, Hydrolyzed Wheat Protein, Dimethicone, Calcium Pantothenate, CI 60725, CI 77891
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Benzophenone-1 absorbs UV.
We don't have a description for Butyl Acetate yet.
Camphor is a waxy solid with a strong scent. It is made using turpentine oil.
This ingredient is used for medicinal purposes due to its cooling effect. In medicine, camphor is a common anti-inflammation ingredient.
Camphor also possesses antibacterial and antifungal properties.
One study found camphor to be a potential anti-wrinkle ingredient. This might be due to its ability to increase elastin and collagen production. Collagen and elastin are responsible for plump and youthful looking skin.
It is best to use cosmetics with a small amount of camphor under 11%. Using topical camphor may induce irritation and redness.
In the past, camphor was traditionally made by distilling the wood of the camphor tree.
Learn more about CamphorWe don't have a description for CI 60725 yet.
Ethyl Acetate is a fragrance.
Isopropyl Alcohol is more commonly known as rubbing alcohol. It is most commonly used as a solvent, meaning it helps other ingredients dissolve.
This ingredient is an astringent alcohol. Astringent alcohols may also irritate skin as they high amounts may strip away your skin's natural oils.
Other types of astringent alcohols include:
According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients.
Any type of sanitizing product will have high amounts of alcohol to help kill bacteria and viruses.
Learn more about Isopropyl AlcoholN-Butyl Alcohol is a fragrance.
We don't have a description for Nitrocellulose yet.
We don't have a description for Trimethyl Pentanyl Diisobutyrate yet.
Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
OPI Nail Envy Nail Strengthener - Original 21 ingredients
Sally Hansen Hard as Nails Nail Hardener 10 ingredients
Reviews
Here's what our community thinks
