Versus

Living Proof Perfect Hair Day Conditioner Versus Olaplex No.5 Fine Bond Maintenance Conditioner

Conditioner
Conditioner
American Brand United States
American Brand United States

Updated on June 02, 2025

Overview

What they are

These products are both vegan, cruelty-free, and reef safe conditioners. They have a total of 14 ingredients in common

Suited For

They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing

Free From

They both do not contain any parabens, silicones or sulfates

What's Inside

They both contain common allergens, fragrances and oils

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

Click any item below to learn more and see relevant ingredients

What's inside

What's inside

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Perfect Hair Day Conditioner
No.5 Fine Bond Maintenance Conditioner

Water

Skin Conditioning

Behentrimonium Chloride

Preservative
Preservative Icon

Cetyl Alcohol

Emollient
2 / 2 Fatty Alcohol Icon

Propanediol

Solvent
Helps hydrate Dry Skin Icon

Glycerin

Humectant
0 / 0 Helps hydrate Dry Skin IconGood for Scar Healing IconHelps brighten skin Icon

Polyquaternium-37

C13-15 Alkane

Solvent

Bis-Aminopropyl Diglycol Dimaleate

Skin Conditioning

Phenoxyethanol

Preservative
Preservative Icon

Parfum

Masking
Fragrance IconMay worsen Eczema IconMay worsen Rosacea Icon

Guar Hydroxypropyltrimonium Chloride

Skin Conditioning

Lecithin

Emollient
Helps hydrate Dry Skin Icon

Isopropyl Alcohol

Solvent
0 / 0 Alcohol IconCan worsen Dry Skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon

Polyester-11

Skin Conditioning

Sclerotium Gum

Emulsion Stabilising

Chlorphenesin

Antimicrobial
Preservative Icon

Glycine Soja Seed Extract

Skin Conditioning
Helps reduce irritation IconGood for Dark Spots Icon

Triheptanoin

Skin Conditioning

Panthenol

Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Stearamidopropyl Dimethylamine

Emulsifying

Coco-Caprylate/Caprate

Emollient
Not safe for Fungal Acne Icon

Ethylhexylglycerin

Skin Conditioning

Polyimide-1

Oryza Sativa Bran Extract

Skin Conditioning
Helps hydrate Dry Skin Icon

Niacinamide

Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin Icon

Vitis Vinifera Seed Oil

Emollient
2-3 / 0 Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon

1,2-Hexanediol

Skin Conditioning
Helps hydrate Dry Skin Icon

Sarcosine

Skin Conditioning

Hydrolyzed Quinoa

Skin Conditioning

Citric Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay worsen Rosacea Icon

Dilinoleic Acid/Butanediol Copolymer

Pisum Sativum Seed Extract

Skin Conditioning

Propylene Glycol

Humectant
0 / 0 Helps hydrate Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Helianthus Annuus Extract

Emollient
Helps hydrate Dry Skin Icon

Trisodium Ethylenediamine Disuccinate

Hexyl Cinnamal

Perfuming
Fragrance IconMay cause irritation IconEU Allergen Icon

Limonene

Perfuming
Fragrance IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Rosmarinus Officinalis Leaf Extract

Antimicrobial

Tocopherol

Antioxidant
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing Icon

Sodium Hyaluronate

Humectant
0 / 0 Hyaluronic Acid IconHelps hydrate Dry Skin Icon

Ethyl Lauroyl Arginate Hcl

Skin Conditioning

Arginine

Masking
Good for Scar Healing IconNot safe for Fungal Acne Icon

Tetrasodium Glutamate Diacetate

Sodium Benzoate

Masking
Preservative Icon

Benzyl Alcohol

Perfuming
Alcohol IconFragrance IconPreservative IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Castor Oil/Ipdi Copolymer

Oil IconNot safe for Fungal Acne Icon

Potassium Sorbate

Preservative
Preservative Icon

Caesalpinia Spinosa Fruit Extract

Skin Protecting

Helianthus Annuus Sprout Extract

Skin Conditioning

Sodium Hydroxide

Buffering

Amaranthus Caudatus Seed Extract

Skin Conditioning
Helps hydrate Dry Skin Icon

Jojoba Esters

Emollient
Not safe for Fungal Acne Icon

Helianthus Annuus Seed Wax

Skin Conditioning
Not safe for Fungal Acne Icon

Polyglycerin-3

Humectant
Helps hydrate Dry Skin Icon

CI 19140

Cosmetic Colorant

CI 15985

Cosmetic Colorant

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

This ingredient is a preservative and often used for it's anti-static properties. You'll most likely see this ingredient in hair conditioners.

It does not cause irritation or sensitization in leave-on products at 1-5%.

Solvent

C13-15 Alkane is a group of alkanes with 13 to 15 carbon atoms in the alkyl chain.

It is a solvent and texture enhancer. Solvents are used to keep ingredients together in a product. They can help dissolve ingredients to stable bases or help evenly distribute ingredients throughout the product.

Emollient, Emulsifying, Emulsion Stabilising

Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.

Its main roles are:

Though it has "alcohol" in the name, it is not related to denatured alcohol or ethyl alcohol.

The FDA allows products labeled "alcohol-free" to have fatty alcohols.

Learn more about Cetyl Alcohol
Buffering, Masking

Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes.

Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath.

However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products.

Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH.

In skincare formulas, citric acid can:

While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants.

Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations.

Read more about some other popular AHA's here:

Learn more about Citric Acid
Skin Conditioning

We don't have a description for Ethyl Lauroyl Arginate Hcl yet.

Humectant, Skin Conditioning, Skin Protecting

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin

This ingredient is derived from guar gum.

It is a conditioning ingredient, meaning it helps soften skin and hair.

Skin Conditioning

Helianthus Annuus Seed Wax is created from the common sunflower.

Sunflower seed wax is made up of long chain non-glyceride esters, a small amount of fatty alcohols, and fatty acids.

This ingredient is often used to enhance the texture of products. The fatty acid properties also help hydrate the skin.

Learn more about Helianthus Annuus Seed Wax
Perfuming

Hexyl Cinnamal is a fragrance ingredient with a similar scent to jasmine. It can be naturally found in chamomile essential oil.

This ingredient is a known EU allergen and may sensitize the skin. The EU requires this ingredient to be listed separately on an ingredients list.

Hexyl Cinnamal is not water soluble but is soluble in oils.

Learn more about Hexyl Cinnamal
Emollient, Moisturising, Skin Conditioning

Jojoba Esters is a wax created from Jojoba oil. It is an emollient and film-forming ingredient. In bead form, it is an exfoliator.

This ingredient has high oxidative stability, meaning it doesn't break down when exposed to oxygen.

Its similarity to our skin's natural oils makes it a great emollient. Emollients help soften and soothe our skin by creating a barrier on top. This barrier helps trap moisture in, keeping skin hydrated.

It is created using either the hydrogenation or transesterification processes on jojoba oil.

Learn more about Jojoba Esters
Perfuming, Solvent

Limonene is a fragrance that adds scent and taste to a formulation.

It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus".

Limonene acts as an antioxidant, meaning it helps neutralize free radicals.

When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

Learn more about Limonene
Masking, Perfuming

Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.

Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture.

For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad labeling category of “FRAGRANCE” or “PARFUM” according to EU and US regulations.

The term 'parfum' or 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term.

For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance by INCI standards.

One example is Calendula flower extract. Calendula is an essential oil that still imparts a scent or 'fragrance'.

Depending on the blend, the ingredients in the mixture can cause allergies and sensitivities on the skin. Some ingredients that are known EU allergens include linalool and citronellol.

Parfum can also be used to mask or cover an unpleasant scent.

The bottom line is: not all fragrances/parfum/ingredients are created equally. If you are worried about fragrances, we recommend taking a closer look at an ingredient. And of course, we always recommend speaking with a professional.

Learn more about Parfum
Humectant

Polyglycerin-3 is a 3-unit glycerin polymer.

Like glycerin, this ingredient is a humectant. Humectants help hydrate your skin by drawing water to it.

Having moisturized skin helps improve the skin barrier. Your skin barrier helps protect against irritants and bacteria.

Learn more about Polyglycerin-3
Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

When to use

3 Routines
0% use in am
100% use in pm
100% use every day