Medik8 Crystal Retinal 3 (30ml) is an entry-strength, high-performance night serum designed to visibly smooth, brighten, and firm aging skin with minimal irritation.
- Entry-level retinaldehyde strength formula
- Visibly smooths fine lines
- Promotes youthful radiant skin
- Hydrating hyaluronic acid infusion
- Gentle micro-encapsulated retinal delivery
$99.00 Original price was: $99.00.$89.10Current price is: $89.10. inc. GST
20 in stock
Free shipping and your free gift unlocked. This order is above the $110 threshold.
Order today, collect from South Yarra today. Ships today with Express Post. Melbourne metro next business day
Same-day dispatch
Order by 2pm AEST, weekdays
100% authentic
Direct from the brand's Australian distributor
Therapist support
Free advice before and after you buy
Easy returns
30 days on unopened products
Medik8 Crystal Retinal 3-30ml
Medik8 Crystal Retinal 3 30ml offers an exceptional introduction to high-performance vitamin A skincare, expertly formulated to target early signs of aging without compromising skin comfort. Utilizing advanced retinaldehyde technology which works up to 11 times faster than classic retinol this lightweight night serum effectively boosts collagen production, smooths fine lines, and clarifies the complexion.
Designed specifically for those step-up users or those with sensitive skin types entering the retinal space, it delivers visible skin renewal while maintaining maximum stability and minimal irritation.
Medik8 Crystal Retinal 3 (30ml) reinforces the skin’s natural barrier through a deeply hydrating blend of hyaluronic acid, vitamin E, and glycerin. This sophisticated formulation works overnight to lock in essential moisture, improve skin texture, and restore a firm, radiant glow by morning. Ideal for Australian clients seeking a reliable, clinical-grade solution to maintain youthful vitality, this serum serves as an indispensable pillar in any results-driven night-time regimen.
- Stabilised 0.03% retinaldehyde formulation
- Acts 11x faster than retinol
- Visibly reduces fine lines and wrinkles
- Enriched with deeply hydrating hyaluronic acid
- Improves overall skin texture and tone
- Gentle design for sensitive skin types

Medik8 Crystal Retinal 3-30ml
Ingredient list
| Key Ingredient | Primary Function & Benefits |
|---|---|
| Retinaldehyde (0.03%) | Next-generation Vitamin A that acts up to 11x faster than retinol to smooth fine lines and promote cell turnover. |
| Hyaluronic Acid | Multi-weight humectant that draws moisture into the skin to hydrate and plump key skin layers. |
| Vitamin E (Tocopheryl Acetate) | Lipid-soluble antioxidant that neutralises free radicals and stabilizes retinaldehyde for maximum effectiveness. |
| Glycerin | Essential skin-identical hydrator that reinforces moisture retention and supports natural barrier function. |
| Tetrahexyldecyl Ascorbate | Stable form of Vitamin C providing antioxidant protection and enhancing overall skin radiance. |
Who Is It For?
Medik8 Crystal Retinal 3 (30ml) is ideal for individuals introducing high-potency vitamin A into their evening routine, particularly those seeking to address early signs of fine lines, uneven texture, and loss of firmness. Formulated specifically for skin types that require a balance between clinical efficacy and optimal tolerance, it suits both sensitive skin and first-time users stepping up from low-dose retinoids.
This gentle yet active serum allows Australian clients to achieve a visibly renewed, smoother complexion without the harsh peeling or redness typically associated with traditional retinol products.
Best Time to Use
Medik8 Crystal Retinal 3 (30ml) is designed exclusively for evening application as part of a progressive night-time skincare regimen. Because retinaldehyde accelerates cellular turnover and can temporarily increase photosensitivity, applying it before sleep allows the active ingredients to work in harmony with the skin’s natural overnight repair process.
To maintain maximum results and safeguard skin health, it should always be complemented by a broad-spectrum sunscreen every morning following night-time use.
How to Use
Medik8 Crystal Retinal 3 (30ml) should be applied phase-by-phase after cleansing and applying water-based serums at night. Dispense a small amount roughly the size of a pea and smooth evenly across the face, neck, and décolletage, taking care to avoid the immediate eye area.
Beginners should introduce the product gradually: twice a week for the first two weeks, every second night for the next two weeks, and nightly once skin tolerance is comfortably established. Follow with a rich hydrating moisturiser to lock in nourishment and support barrier health.
Expected Results
Medik8 Crystal Retinal 3 (30ml) delivers visible skin-refining benefits that progressively compound with consistent evening use. Within the first few weeks, clients can expect a clearer, smoother complexion with a noticeable reduction in surface roughness and breakouts.
Over four to eight weeks, the targeted retinaldehyde technology works to visibly firm the skin, soften fine lines, and enhance overall radiance. Continued long-term application promotes collagen production and improved elasticity, resulting in a healthier, distinctly youthful look.

Medik8 Crystal Retinal 3-30ml
Storage Conditions
Medik8 Crystal Retinal 3 (30ml) must be stored correctly to maintain the stability and potency of its active retinaldehyde formula. Keep the container tightly sealed in a cool, dry place away from direct sunlight, humidity, and heat sources ideally below 25°C. Avoid keeping the bottle in hot, steamy bathrooms to protect the integrity of the micro-encapsulated active ingredients, ensuring peak clinical performance throughout its shelf life.
What to Do If Issues Arise
Medik8 Crystal Retinal 3 (30ml) is formulated to minimise irritation, but temporary dryness, mild flaking, or slight redness can occur as the skin adapts to vitamin A. Should mild sensitivity occur, reduce the frequency of application to once or twice a week and increase the use of a barrier-supporting moisturiser.
If severe irritation, burning, or persistent inflammation develops, discontinue use immediately, rinse the skin thoroughly with cool water, and consult a skincare professional or dermatologist before resuming treatment.
Why Buy from Us?
When you purchase Medik8 Crystal Retinal 3 30ml from Phibeauty, you are choosing an authentic stockist committed to providing genuine, premium skincare products delivered directly to your door across Australia. As an authorized online retailer, phibeauty sources all inventory exclusively through verified, official supply channels, ensuring you receive 100% genuine products with optimal shelf life and maximum formula stability.
Enjoy a seamless online shopping experience, competitive pricing, reliable customer support, and fast, secure shipping designed to make elevating your daily skincare routine effortless and reliable.
| Weight | 20 g |
|---|---|
| Dimensions | 10 × 10 × 10 cm |

Medik8
What Is Brand Medik8?
Medik8 isn’t just another skincare name it’s a Skintellectual movement born in London. Founded by scientist Elliot Isaacs, we’re driven by a passion for blending chemistry with dermatology to create products that actually work. From our Harley Street roots, we’ve grown into a global fave, available in over 40 countries, including Australia. Our 100+ products serums, creams, sunscreens are made under strict quality standards, ensuring every drop delivers. In 2025, L’Oréal scooped up a majority stake for over £1 billion, but we’ve kept our indie spirit, focusing on results without compromise. For Aussies, Medik8 means high-performance skincare that’s kind to your skin and the planet.Brand History
Medik8’s story began in 2009 when Elliot Isaacs, a UK scientist with a knack for skin science, set out to revolutionise skincare. Working from a small London lab, he tackled a big issue: stabilising retinol to reduce irritation while boosting its power. This led to the creation of our patented encapsulated retinaldehyde tech, a game-changer in anti-ageing. By 2012, Medik8’s Crystal Retinal became a cult favourite, winning awards like Marie Claire Skin Awards. The brand expanded rapidly, launching the CSA philosophy in 2015 to simplify effective routines. By 2020, Medik8 earned B Corp status, cementing its commitment to sustainability. In 2025, we hit a milestone when L’Oréal acquired a majority stake, valuing us at over £1 billion, while we continued innovating with products like Liquid Peptides Advanced. From a lab to a global leader, Medik8’s journey is about science, passion, and Aussie-approved results. Current Market Position Medik8’s a heavyweight in the global skincare scene, ranking among the top dermatological brands in 2025. With a global site rank of 68,621 in the beauty category, we’re a go-to for Aussies seeking premium anti-ageing solutions. Our 2025 CEW Awards for Best British Brand and Best New Skintellectual Skincare show we’re leading the pack. Backed by L’Oréal’s global reach, we’re stocked in high-end retailers like MECCA and Adore Beauty and Phibeauty across Australia, competing with brands like La Roche-Posay and CeraVe. Our focus on clinically proven, sustainable products gives us an edge, especially among eco-conscious Aussies. With a growing network of clinics and a strong in Australia presence, we’re a trusted name for science-driven skincare.Our Vision
Our vision is simple: empower every Aussie to love their skin through science and sustainability. We aim to lead the global skincare industry by 2030, expanding our eco-friendly innovations and clinic network. We’re pushing for carbon-neutral production and more inclusive products, ensuring everyone from Bondi to Broome can access effective, ethical skincare. Medik8’s future is about blending cutting-edge tech with a greener planet.Medik8’s Key Products
- Crystal Retinal (Multiple Strengths)
- Liquid Peptides Advanced MP
- C-Tetra Advanced
- C-Tetra
- Liquid Peptides
- Advanced Night Restore
Our Numbers
Medik8’s reach is massive: over 100 products, sold in 40+ countries, with 200+ staff globally. We’re backed by 20+ years of research, 50+ clinical studies, and a £1 billion+ valuation post-L’Oréal acquisition. In Australia, we’re in 100+ retailers like MECCA, with 10,000+ monthly site visits.Conclusion
Medik8 is your go-to for science-backed, sustainable skincare that delivers. From our CSA philosophy to award-winning products like Crystal Retinal, we’re here to help Aussies glow.Estimated Delivery Times
Once your package is handed over to Australia Post, delivery times vary by location:- VIC: 2–4 business days
- NSW, ACT: 3–5 business days
- SA, QLD, TAS: 3–5 business days

Reviews
Clear filtersThere are no reviews yet.