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Dr Sam’s Flawless Nightly Serum Versus Sunday Riley Luna Retinol Sleeping Night Oil

Serum
Oil
Irish Brand Ireland
American Brand United States

Updated on May 23, 2024

Overview

What they are

These products are both cruelty-free and reef safe . They have a total of 2 ingredients in common

Cool Features

They both contain retinoid

Suited For

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

Free From

They both do not contain any parabens or sulfates

What's Inside

They both contain 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

Click any item below to learn more and see relevant ingredients

At a glance

Click on any of the items below to learn more

Notable Ingredients

Benefits

Concerns

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Flawless Nightly Serum
Water 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.

Butylene Glycol Humectant, Masking, Skin Conditioning
1 / 0

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

1 Com. / 0 Irr.
Niacinamide Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconGood for Minimizing Pores IconGood for Dark Spots IconHelps fight Acne IconHelps brighten skin Icon
NiacinamideNiacinamide Icon 6 Benefits

Niacinamide has emerged as an all-star ingredient due to its many benefits.

Azelaic Acid Buffering, Masking
Helps reduce Skin Redness IconGood for Minimizing Pores IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne Icon
5 Benefits

Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.

Dicaprylyl Carbonate Emollient, Skin Conditioning

Dicaprylyl Carbonate comes from carbonic acid and caprylyl alcohol, a fatty alcohol. It is an emollient and gives skin a velvet feel. The sources of Dicaprylyl Carbonate may be synthetic or from animals.

Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

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

0 Com. / 0 Irr.
Ethoxydiglycol Humectant, Solvent
0 / 0

Ethoxydiglycol is a synthetic solvent.

0 Com. / 0 Irr.
Cetearyl Alcohol Emollient, Emulsifying, Emulsion Stabilising
2 / 1 Fatty Alcohol IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon
Fatty AlcoholFatty Alcohol Icon 3 Concerns

Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.

2 Com. / 1 Irr.
Very Disliked Full details ->
Dimethyl Isosorbide Solvent

Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.

Bakuchiol Antimicrobial, Antioxidant, Emollient
Antioxidant IconHelps with Anti-Aging IconGood for Dark Spots IconHelps brighten skin Icon
AntioxidantAntioxidant Icon 3 Benefits

Bakuchiol is a plant-derived antioxidant (it's vegan!). It is often called the replacement for retinol although it is not part of the same family.

Tapioca Starch

We don't have a description for Tapioca Starch.

Disliked Full details ->
Benzyl Alcohol Perfuming, Preservative, Solvent
Alcohol IconFragrance IconPreservative IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon
AlcoholAlcohol Icon FragranceFragrance Icon PreservativePreservative Icon 6 Concerns

Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.

Very Disliked Full details ->
Allantoin Skin Conditioning, Skin Protecting, Soothing
0 / 0 Helps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon
3 Benefits

Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.

0 Com. / 0 Irr.
Sodium Stearoyl Glutamate Cleansing, Emulsifying, Skin Conditioning

Sodium Stearoyl Glutamate is an emulsifier and helps condition the skin. It is amino acid-based.

Xanthan Gum Emulsifying, Emulsion Stabilising, Gel Forming

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Disliked Full details ->
Phenoxyethanol Preservative
Preservative Icon
PreservativePreservative Icon

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.

Very Disliked Full details ->
Hydroxypinacolone Retinoate Skin Conditioning
Retinoid IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconCan worsen Dry Skin IconMay cause irritation Icon
RetinoidRetinoid Icon 7 Benefits 2 Concerns

This ingredient is a retinoid. It usually goes by a more common name: "Granactive".

Disodium EDTA

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

Disliked Full details ->
Dehydroacetic Acid Preservative
Preservative Icon
PreservativePreservative Icon

Dehydroacetic Acid is fungicide and bactericide. It is used as a preservative in cosmetics. Preservatives help elongate the shelf life of a product.

Polymethylsilsesquioxane
Silicon Icon
SiliconSilicon Icon

Polymethylsilsesquioxane is a silicone used as a film forming agent.

Disliked Full details ->
Luna Retinol Sleeping Night Oil
Vitis Vinifera Seed Oil Emollient, Skin Conditioning
2-3 / 0 Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Vitis Vinifera Seed Oil comes from the grape vine. Grape seeds are a byproduct of creating grape juice or wine.

2-3 Com. / 0 Irr.
Rubus Laciniatus Seed Oil Skin Conditioning
Oil Icon
OilOil Icon

Rubus Laciniatus Seed Oil is an oil.

Unknown Full details ->
Salvia Hispanica Seed Oil Moisturising, Skin Conditioning
Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Salvia Hispanica Seed Oil is an oil and isn't fungal acne safe.

Persea Gratissima Oil Skin Conditioning
0-3 / 0 Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon
OilOil Icon Helps hydrate Dry SkinHelps hydrate Dry Skin Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Persea Gratissima Oil is made by pressing dehydrated avocado fruit from the tree Persea gratissima, Lauraceae.

0-3 Com. / 0 Irr.
Disliked Full details ->
Dimethyl Isosorbide Solvent

Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.

Helianthus Annuus Seed Oil Emollient, Masking, Skin Conditioning
0 / 0 Oil IconHelps hydrate Dry Skin IconMay worsen Oily Skin IconNot safe for Fungal Acne Icon
OilOil Icon Helps hydrate Dry SkinHelps hydrate Dry Skin Icon 2 Concerns

Helianthus Annuus Seed Oil is the oil derived from the seeds of a Sunflower. Sunflower seed oil is non-fragrant. It is an emollient, meaning it helps to soften the skin.

0 Com. / 0 Irr.
Disliked Full details ->
Hydroxypinacolone Retinoate Skin Conditioning
Retinoid IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconCan worsen Dry Skin IconMay cause irritation Icon
RetinoidRetinoid Icon 7 Benefits 2 Concerns

This ingredient is a retinoid. It usually goes by a more common name: "Granactive".

Rosmarinus Officinalis Leaf Extract Antimicrobial, Masking, Skin Conditioning

Rosmarinus Officinalis Leaf Extract comes from rosemary. Rosemary is native to the Mediterranean.

Citrus Aurantium Amara Flower Oil Masking, Skin Conditioning
Oil Icon
OilOil Icon

Citrus Aurantium Amara Flower Oil is the volatile oil obtained from the flowers of the Bitter Orange, Citrus aurantium L. var. amara L., Rutaceae

Very Disliked Full details ->
Citrus Aurantium Dulcis Oil Masking
Oil Icon
OilOil Icon

Citrus Aurantium Dulcis Oil comes from the bitter orange, an orange native to Southeast Asia.

Very Disliked Full details ->
Chamomilla Recutita Flower Oil Masking, Skin Conditioning
Oil IconHelps reduce Skin Redness IconHelps reduce irritation Icon
OilOil Icon 2 Benefits

Chamomilla Recutita Flower Oil comes from the chamomile flower (like the tea you drink).

Disliked Full details ->
Cananga Odorata Flower Oil Masking, Perfuming
Fragrance IconOil IconEU Allergen IconMay worsen Eczema Icon
FragranceFragrance Icon OilOil Icon 2 Concerns

Cananga Odorata Flower Oil comes from the ylang-ylang flower, Cananga odorata.

Disliked Full details ->
Vetiveria Zizanoides Root Oil Masking, Perfuming, Tonic
Fragrance IconOil Icon
FragranceFragrance Icon OilOil Icon

Vetiveria Zizanoides Root Oil is a fragrance and is an oil.

Unknown Full details ->
Anthemis Nobilis Flower Oil Masking, Perfuming, Skin Conditioning
Fragrance IconOil Icon
FragranceFragrance Icon OilOil Icon

This oil is the the volatile oil distilled from the dried flower heads of the Roman Chamomile flower.

Tanacetum Annuum Flower Oil Masking, Skin Conditioning
Oil IconHelps reduce irritation Icon
OilOil Icon Helps reduce irritationHelps reduce irritation Icon

Tanacetum Annuum Flower Oil is an oil. It can be good for be good for sensitive skin.

Vanilla Planifolia Fruit Extract Skin Conditioning, Skin Protecting, Smoothing

Vanilla Planifolia Fruit Extract comes from the vanilla orchid native to central America. It is a skin-soothing ingredient.

Eriocephalus Punctulatus Oil Masking
Oil Icon
OilOil Icon

Eriocephalus Punctulatus Oil is the volatile oil obtained from the whole plant, Eriocephalus punctulatus, Compositae. Cape Chamomille Oil

Unknown Full details ->
CI 61565 Cosmetic Colorant

We don't have a description for CI 61565.

Unknown Full details ->
CI 60725 Cosmetic Colorant

We don't have a description for CI 60725.

Unknown Full details ->

Ingredients Explained

These ingredients are found in both products.

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

Solvent
Mixed

Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.

As a solvent, dimethyl isosorbide helps dissolve other ingredients. This helps ensure even distribution of an ingredient. It may also be used to decrease the thickness of a product.

Studies show dimethyl isosorbide is able to penetrate skin to deliver other ingredients into the skin, making them more effective.

Learn more about Dimethyl Isosorbide
Skin Conditioning
Loved

This ingredient is a retinoid. It usually goes by a more common name: "Granactive".

Hydroxypinacolone Retinoate (HPR) belongs to the class of retinoids that also includes retinol and tretinoin.

Retinoids have been proven to:

So what is the difference between all the retinoids? Most retinoids need to go through a conversion line to become effective on skin. The ending product is retinoic acid. Retinoic acid is AKA tretinoin.

HPR is an ester of tretinoin. Emerging studies suggest HPR to have an added benefit that other retinoids don't have: Low irritation.

A study from 2021 found HPR to have the greatest stability when exposed to light and temperature out of all the commercial retinoids.

A note about naming: The name "Granactive" is the trade name and the name most commonly used on packages.

Granactive is the name of the mixture - about 90% solvent and 10% HPR. A product with 5% granactive has 0.5% HPR.

Learn more about Hydroxypinacolone Retinoate

Ingredient Ratings

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

Flawless Nightly Serum
9
4
7
liked
mixed
disliked
not rated
Luna Retinol Sleeping Night Oil
2
6
6
5
liked
mixed
disliked
not rated

When to use

8 Routines
0% use in am
100% use in pm
75% use every day
8 Routines
0% use in am
100% use in pm
50% use every day