O Cosmedics
O Cosmedics Retinol Concentrate 1% 30ml
O Cosmedics Retinol Concentrate 1% 30ml
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O Cosmedics Retinol Concentrate 1% is a high-strength Vitamin A serum formulated for excessively oily, stubbornly congested and textured skin requiring more intensive correction. Powered by 1% encapsulated Retinol, it accelerates cell turnover to help regulate heavy oil flow, unclog congested pores and visibly refine rough or thickened texture while targeting hyperpigmentation, fine lines and signs of sun damage.
Designed as the progression from O Cosmedics Potent Retinol Serum 0.5%, the concentrated formula combines Retinol with V8 Peptide Complex®, Niacinamide, Vitamin E, Hyaluronic Acid and soothing SymRelief® to support firmness, hydration, skin comfort and antioxidant protection alongside intensive resurfacing. Controlled encapsulation gradually releases the Retinol, supporting effective correction while helping manage the irritation potential associated with higher-strength Vitamin A.
The lightweight lotion-serum is mixed with an O Cosmedics moisturiser and introduced gradually according to tolerance. With consistent use, it supports clearer pores, smoother texture, more balanced oil flow and a firmer, more even and radiant-looking complexion.
Product Size: 30ml
SKIN DEEP MEDISPA EXPERT VERDICT
Our rating: 4.8/5
O Cosmedics Retinol Concentrate 1% is one I use selectively rather than treating it as the inevitable next step for everyone using Retinol. I particularly like it for resilient, oilier skin where congestion, coarse or thickened texture and sun damage remain persistent despite already using Potent Retinol Serum 0.5% successfully. At that point, the higher Retinol concentration can give us the additional resurfacing and oil regulation we're looking for, while ingredients such as Vitamin E, Hyaluronic Acid and SymRelief® provide valuable support around a very active formula. For the right skin, it can be an excellent corrective, but I don't believe stronger is automatically better when it comes to Vitamin A.
BEST FOR
Oily • Stubborn Congestion • Rough Texture • Hyperpigmentation • Ageing
If your skin is already responding well to Potent Retinol Serum 0.5%, I wouldn't increase the concentration simply for the sake of progressing. Equally, if your skin is dry, reactive or struggling with Retinol, moving to 1% isn't the answer. This is a product I choose because the skin condition warrants greater correction and can tolerate it, not because 1% sounds more advanced.
Reviewed by: Diana / Founder & Head of Clinical Therapies, Skin Deep Medispa, Armadale
🔥 OUR HOT TIP
If you're using O Cosmedics Retinol Concentrate 1% to target pigmentation or sun damage, don't focus on the Retinol and overlook your morning routine. I consider daily SPF just as important as the corrective product itself. You're working at night to improve uneven pigment and visible sun damage, so consistent UV protection during the day is essential to protect that progress.
Not sure if it’s right for your skin? Ask A Skin Deep Medispa Therapist
What We Love
What We Love
Key Ingredients
Key Ingredients
How To Use
How To Use
Pair It With
Pair It With
FAQs
FAQs

“I moved onto this after using the 0.5% serum for quite a while. I’m glad I started slowly again because it definitely feels like a step up. The congestion around my chin has improved and my skin feels much smoother overall.”
Nadine, Chelsea VIC
“My skin is very oily and I’d reached a point where the lower strength Retinol wasn’t doing quite enough for the texture anymore. This has made a noticeable difference, particularly across my forehead and around my pores. I only use it every second night and that seems to be plenty for me.”
Kayla, Tamworth NSW
“I started this mainly for sun damage and some stubborn pigmentation on my cheeks. It took a few weeks before I really noticed the difference, but my skin now looks much more even and refined. Definitely a product I’d introduce slowly rather than rushing.”
Emma, Adelaide SA