Ultraceuticals Ultra B2 Hydrating Serum Versus SkinBetter Science Alto Defense Serum

See how these products line up with your preferences

Here's our complete breakdown comparing the ingredients, attributes, and more of Ultraceuticals Ultra B2 Hydrating Serum versus SkinBetter Science Alto Defense Serum .

Last updated on February 02, 2024. Published on April 07, 2024

Overview

What they are

These products are both reef safe serums. They have a total of 4 ingredients in common

Suited For

They're both likely to be good for fighting acne, dry skin, brightening skin, sensitive skin, reducing pores, scar healing, dark spots and better texture

Free From

They both do not contain any oils, parabens, silicones or sulfates

What's Inside

They both contain fragrances

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.

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Ultraceuticals Ultra B2 Hydrating Serum

SkinBetter Science Alto Defense Serum

Serum Australian Brand

Serum American Brand United States

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Price

Shop

Buy Ultra B2 Hydrating Serum

Shop

Buy Alto Defense Serum

Ingredient Info

Click any item below to learn more and view relevant ingredients.

Ultraceuticals Ultra B2 Hydrating Serum 14 ingredients

SkinBetter Science Alto Defense Serum 64 ingredients

alcohol-free

silicon-free

fragrance-free

sulfate-free

paraben-free

oil-free

fungal-acne safe

reef-safe

eu-allergen-free

vegan

cruelty-free

alcohol-free

silicon-free

fragrance-free

sulfate-free

paraben-free

oil-free

fungal-acne safe

reef-safe

eu-allergen-free

vegan

cruelty-free

At a glance

Click on any of the items below to learn more

Ultraceuticals Ultra B2 Hydrating Serum 14 ingredients

SkinBetter Science Alto Defense Serum 64 ingredients

Notable Ingredients

BHA

Niacinamide

Hyaluronic Acid

Benefits

Hydrating (2)

Good For Oily Skin (2)

Redness Reducing

Reduces Irritation

Skin Texture

Reduces Large Pores (2)

Dark Spots

Scar Healing

Acne Fighting (2)

Brightening (3)

Concerns

Drying (2)

May Worsen Oily Skin

Irritating (2)

Rosacea (3)

Eczema (4)

Notable Ingredients

Vitamin C

Vitamin E (2)

Ceramides (3)

Peptides

Benefits

Hydrating (7)

Redness Reducing (6)

Reduces Irritation (5)

Skin Texture

Reduces Large Pores

Anti-Aging (7)

Dark Spots (2)

Scar Healing

Acne Fighting

Brightening (3)

Concerns

May Worsen Oily Skin (2)

Acne Trigger (2)

Irritating

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Ingredients Compared

Ingredients that are highlighted in purple are present in both products.

Ultraceuticals Ultra B2 Hydrating Serum 14 ingredients

SkinBetter Science Alto Defense Serum 64 ingredients

Water • Propanediol • Niacinamide • Panthenol • Sodium Hyaluronate • Benzyl Alcohol • Sodium PCA • Urea • Glycerin • Cucumis Sativus Extract • Trehalose • Salicylic Acid • Sorbic Acid • Potassium Sorbate

Water • Butylene Glycol • Propanediol • Ethylhexyl Olivate • Cetearyl Alcohol • Chlorogenic Acids • Hydrolyzed Sodium Hyaluronate • Lauryl Lactate • Dimethyl Isosorbide • Glycyrrhiza Glabra Root Extract • Ascorbyl Tetraisopalmitate • Ergothioneine • Benzylidene Dimethoxydimethylindanone • Arabidopsis Thaliana Extract • Carnosine • Camellia Sinensis Leaf Extract • Vitis Vinifera Seed Extract • Theobroma Cacao Seed Extract • Curcuma Longa Root Extract • Olea Europaea Fruit Extract • Euterpe Oleracea Fruit Extract • Trifluoroacetyl Tripeptide-2 • Buddleja Officinalis Flower Extract • Coffea Arabica Leaf Cell Extract • Crocus Sativus Leaf Cell Culture Extract • Superoxide Dismutase • Ubiquinone • Zingiber Officinale Root Extract • Ceramide NP • Ceramide AP • Ceramide EOP • Linoleic Acid • Linolenic Acid • Sea Whip Extract • Bisabolol • Tocopherol • Tocopheryl Acetate • Cholesterol • Phytosphingosine • Jojoba Esters • Sodium PCA • Pentylene Glycol • Methyl Gluceth-20 • Glycerin • Helianthus Annuus Seed Wax • Acacia Decurrens Flower Wax • Lecithin • Sodium Lauroyl Lactylate • Dicetyl Phosphate • Propanediol Dicaprylate/Caprate • Polyglycerin-3 • Ceteth-20 Phosphate • Diisostearyl Malate • Xanthan Gum • Steareth-2 • Acacia Senegal Gum • Carbomer • Acrylates/C10-30 Alkyl Acrylate Crosspolymer • Dextran • Sodium Hydroxide • Citric Acid • Disodium EDTA • Ethylhexylglycerin • Phenoxyethanol

Ingredients Side-by-side

Ingredients that are highlighted in purple are present in both products.

Learn more about what what Com. / Irr. ratings are

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Ingredients Explained

These ingredients are found in both products.

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

Water

What it does: Skin Conditioning, Solvent

Community Rating: Loved

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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

Ultraceuticals Ultra B2 Hydrating Serum contains this as ingredient number 1.

SkinBetter Science Alto Defense Serum contains this as ingredient number 1.

Propanediol

What it does: Solvent

Community Rating: Liked

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

Propanediol is not likely to cause sensitivity and considered safe to use.

It is derived from corn or petroleum with a clear color and no scent.

Learn more about Propanediol

Ultraceuticals Ultra B2 Hydrating Serum contains this as ingredient number 2.

SkinBetter Science Alto Defense Serum contains this as ingredient number 3.

Sodium PCA

What it does: Humectant, Skin Conditioning

Community Rating: Loved

Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.

The PCA stands for pyrrolidone carboxylic acid, a natural amino acid derivative.

Sodium PCA is a has conditioning, anti-inflammatory, and humectant properties. Humectants help hydrate your skin by drawing moisture from the air. This helps keep your skin moisturized.

Learn more about Sodium PCA

Ultraceuticals Ultra B2 Hydrating Serum contains this as ingredient number 7.

SkinBetter Science Alto Defense Serum contains this as ingredient number 41.

Glycerin

What it does: Humectant, Skin Conditioning, Skin Protecting, Solvent

Community Rating: Loved

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

Ultraceuticals Ultra B2 Hydrating Serum contains this as ingredient number 9.

SkinBetter Science Alto Defense Serum contains this as ingredient number 44.

Here's what our community thinks of the ingredients in these two products.