Mdik8 Crystal Retinol 1 Night Serum 1.0 oz single

Common questions

Is Mdik8 Crystal Retinol 1 Night Serum 1.0 oz single healthy?

Mdik8 Crystal Retinol 1 Night Serum 1.0 oz single scores 78/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This serum contains beneficial ingredients like squalane, glycerin, and retinal, which are known for their moisturizing and anti-aging properties.

Which ingredients drive Mdik8 Crystal Retinol 1 Night Serum 1.0 oz single's score?

In Scout's ingredient-by-ingredient analysis, Caprylic/Capric Triglyceride, Glycerin, Squalane count in its favor; Phenoxyethanol is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Mdik8 Crystal Retinol 1 Night Serum 1.0 oz single

Medik8
78 Good

Analysis updated August 2026 · How Scout scores

$56.00 · 1 fl oz
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At a glance

Beneficial ingredients 6
Harmful ingredients 1
Owned by L’Oréal Groupe
Category Serum
Summary

This serum contains beneficial ingredients like squalane, glycerin, and retinal, which are known for their moisturizing and anti-aging properties. However, the presence of phenoxyethanol, a preservative that can be irritating to some skin types, slightly lowers its safety profile. The product is moderately processed, which also impacts its overall rating.

Key ingredients 8

Squalane
Very Good

Squalane is a highly effective emollient and natural antioxidant. It mimics the skin's natural oils, making it an excellent moisturizer. It is suitable for all skin types, including sensitive skin.

Risks

There are no significant risks associated with squalane.

Benefits

Squalane helps to lock in moisture and protect the skin from environmental damage.

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3-O-Ethyl Ascorbic Acid
Very Good

3-O-Ethyl Ascorbic Acid is a stable form of Vitamin C used in skincare. It helps to brighten the skin and reduce signs of aging. It is known for its antioxidant properties.

Risks

In rare cases, it may cause mild irritation or redness.

Benefits

It helps to improve skin tone and texture by promoting collagen production.

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Retinal
Very Good

Retinal is a potent form of Vitamin A that promotes cell turnover. It helps to improve skin texture and reduce signs of aging. It is effective in treating acne and hyperpigmentation.

Risks

It may cause irritation, redness, or peeling, especially in sensitive skin.

Benefits

Retinal helps to smooth the skin and enhance its overall appearance.

Caprylic/Capric Triglyceride
Good

Caprylic/Capric Triglyceride is an emollient derived from coconut oil and glycerin. It helps to moisturize and replenish the skin. It is well-tolerated by most skin types.

Risks

Rarely, it may cause mild irritation in sensitive individuals.

Benefits

It provides a lightweight, non-greasy barrier that helps to retain moisture in the skin.

See more about Caprylic/Capric Triglyceride →
Glycerin
Good

Glycerin is a humectant that attracts moisture to the skin. It helps to maintain hydration and improve skin barrier function. It is widely used in skincare for its moisturizing properties.

Risks

There are minimal risks associated with glycerin; it is generally safe for all skin types.

Benefits

Glycerin helps to keep the skin soft and supple by drawing moisture from the environment.

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Sodium Hyaluronate
Good

Sodium Hyaluronate is a form of hyaluronic acid that penetrates the skin easily. It provides intense hydration and plumps the skin. It is beneficial for maintaining skin elasticity.

Risks

There are minimal risks; it is generally safe for all skin types.

Benefits

It helps to reduce the appearance of fine lines and wrinkles by retaining moisture.

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Water
Neutral

Water is a common solvent used in cosmetics to dissolve other ingredients. It helps in the application and absorption of the product. It does not provide direct benefits or risks.

Risks

There are no significant risks associated with water in cosmetics.

Benefits

Water helps in the even distribution of the product on the skin.

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Phenoxyethanol
Bad

Phenoxyethanol is a preservative used to prevent microbial growth in cosmetics. It is considered safe in low concentrations but can be irritating to the skin. It is often used as an alternative to parabens.

Risks

It may cause skin irritation or allergic reactions in sensitive individuals.

Benefits

It helps to extend the shelf life of the product by preventing contamination.

See more about Phenoxyethanol →

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