MEDITHERAPY Retinal Skin Booster Serum, Retinaldehyde Niacinamide K-Beauty Anti-Aging Facial Serum
Is this the right fit?
- Best for
- anyone trying retinol for the first time, sensitive
- Skip if
- Use only at night; like all retinoids it increases sun sensitivity, SPF 30+ in the morning is mandatory
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Meditherapy Retinal Skin Booster Serum is the K-beauty retinaldehyde formula that delivers retinol-level results with much less irritation. Retinaldehyde sits between retinol and prescription tretinoin on the potency curve, the form your skin uses with the fewest conversion steps. Paired with niacinamide for barrier support and centella for redness calming. Lightweight watery essence texture that layers under moisturizer. 30ml bottle. Best fit: anyone trying retinol for the first time, sensitive
Pros
- Retinaldehyde is one step closer to active retinoid than retinol, stronger results with less irritation per study data
- Paired niacinamide and centella calm flushing on sensitive skin types that flake on standard retinol
- Watery essence texture absorbs in 60 seconds, no greasy film under makeup or other serums
Cons
- Use only at night; like all retinoids it increases sun sensitivity, SPF 30+ in the morning is mandatory
Frequently asked questions
How does retinaldehyde compare to retinol?
Retinaldehyde is one chemical step away from active retinoic acid (tretinoin). Retinol takes two steps to convert. Same goal, stronger and faster but typically less irritating than equivalent retinol strengths.
Can I use it with vitamin C or AHAs?
Separate by 12 hours. Use vitamin C in the morning, retinaldehyde at night. Same-time layering with strong actives can trigger irritation, especially on sensitive skin.
How long until I see results?
First-month: smoother skin texture. 8 to 12 weeks: visible reduction in fine lines and dark spots. Like all retinoids, consistency matters more than concentration.
Is it safe during pregnancy?
No. All retinoids including retinaldehyde are contraindicated during pregnancy and breastfeeding. Switch to bakuchiol if you want a pregnancy-safe alternative.
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