Medik8 Crystal Retinal 6 Night Facial Serum 1 oz — 0.06% Retinaldehyde, Hyaluronic Acid

Medik8 Crystal Retinal 6 is a nighttime facial serum containing 0.06% retinaldehyde plus hyaluronic acid and vitamin E to help smooth texture and reduce the appearance of fine lines.

Designed as a progressive-strength retinal serum, Crystal Retinal 6 bridges gentle retinoids and prescription-strength options by delivering a potent, fast-acting form of vitamin A in a user-friendly night treatment. The formula combines retinaldehyde with hydrating agents like hyaluronic acid and glycerin along with antioxidant vitamin E to support skin resilience while you sleep. Medik8 positions this product for people who have already acclimated to lower-strength retinoids and want a measurable step up in efficacy without jumping to harsher therapies.

How does Crystal Retinal 6 help skin texture and fine lines?

This serum uses retinaldehyde, a vitamin A derivative that converts into the active form of retinoid within skin cells, supporting renewal and smoother texture. Regular nightly use can improve the look of surface lines and promote a more even skin tone over weeks to months when combined with sun protection during the day.

• Contains 0.06% retinaldehyde for accelerated cellular turnover.
• Hyaluronic acid and glycerin deliver measurable hydration and plumping.
• Vitamin E adds antioxidant support to help protect lipids and skin barrier.
• Formulated for progressive use after lower-strength retinoids.

What is the best routine for introducing Crystal Retinal 6 into my nights?

Introduce Crystal Retinal 6 gradually to minimize irritation: start with 2–3 nights per week, then increase frequency as your skin tolerates it. Use a gentle cleanser, apply a pea-sized amount in the evening, follow with a moisturizer if needed, and always use broad-spectrum sunscreen during the day.

• Begin with alternate nights and increase to nightly use based on comfort.
• Pair with a basic hydrating moisturizer to support barrier function.
• Always apply sunscreen daily while using retinal products.
• Avoid combining with other strong actives immediately (e.g., prescription retinoids) unless advised by a clinician.

Who should choose Crystal Retinal 6 over other strengths?

Crystal Retinal 6 is intended for experienced retinoid users who have completed introductory phases with lower concentrations or are already using a retinoid product. It offers a noticeable step-up in activity for those seeking more visible resurfacing without moving to prescription-only treatments.

• Suitable after completing a lower-strength retinal or retinol program.
• Ideal for wearers aiming for faster visible refinement of skin texture.
• Not recommended as a starter product for retinoid-naïve skin.
• Formulated for both men and women and multiple skin types that tolerate vitamin A derivatives.

What complementary products work well with this serum?

Supportive hydrating and calming products enhance tolerance and results: a gentle cleanser, a replenishing moisturizer, and daily SPF are the essentials. For sensitive skin, choose fragrance-free, low-irritant companions and avoid layering other potent exfoliants on the same nights.

• Use a mild, non-stripping cleanser to preserve the skin barrier.
• Choose a moisturizer with ceramides or glycerin to lock in hydration.
• Daily broad-spectrum sunscreen is crucial to protect newly revealed skin.
• Skip chemical exfoliants on nights you apply retinal to reduce sensitivity risk.

Who is this for? Crystal Retinal 6 suits people who have already adapted to gentler retinoids and want a clear, supported increase in retinal strength to refine texture and target fine lines. It is best for those prepared to follow a gradual introduction schedule, pair nightly applications with barrier-supporting hydration, and commit to daytime sun protection. If you are new to vitamin A derivatives or have highly reactive skin, consider starting with a lower-strength Medik8 retinal before moving to this 0.06% formulation.

Ingredients

Water, Caprylic/Capric Triglyceride, Glycerin, Isododecane, Cetearyl Olivate, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Cyclodextrin, Cetearyl Alcohol, Sorbitan Olivate, Tocopheryl Acetate, Squalane, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Hydroxyacetophenone, 3-O-Ethyl Ascorbic Acid, Phenoxyethanol, Hydroxypropyl Methylcellulose, Sodium Hyaluronate, Tetrahexyldecyl Ascorbate, Rubus Chamaemorus Seed Oil, Pentylene Glycol, Daucus Carota Sativa (Carrot) Seed Oil, Retinal, Alumina, Isostearic Acid, Lecithin, Sodium Polyaspartate, Polyglyceryl-3 Polyricinoleate, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Polyhydroxystearic Acid, Disodium EDTA, Ethylhexylglycerin, Stearic Acid, Polysorbate 60, Sorbitan Isostearate, BHT, Vanilla Planifolia Fruit Extract, Dipteryx Odorata Bean Extract, Coumarin, Red 4, Titanium Dioxide/CI 77891.