Walk into any pharmacy or department store and you'll find hundreds of skincare products making bold claims. Firming. Brightening. Anti-aging. But how many of them actually deliver?
The answer lies in a term you'll see on every Stiltskin product: medical-grade. Here's what it means, why it matters, and how to tell the difference.
What Makes Skincare "Medical-Grade"?
Medical-grade skincare refers to formulations that contain clinically proven active ingredients at therapeutic concentrations — the levels at which those ingredients are scientifically demonstrated to produce measurable results in the skin.
This is the critical distinction. Many over-the-counter products contain the same ingredients as medical-grade formulas — but at concentrations so low they produce little to no clinical effect. They're present enough to appear on the label; not present enough to change your skin.
The Three Pillars of Medical-Grade Skincare
1. Therapeutic Concentrations
An ingredient only works when it's present at the concentration shown to be effective in clinical studies. Vitamin C, for example, requires a minimum of 10% L-Ascorbic Acid to produce measurable brightening and collagen-stimulating effects. The Cygnus Vitamin C and E Serum delivers 15% — the concentration at which clinical studies show maximum efficacy with minimal irritation.
2. Clinically Proven Actives
Medical-grade formulations are built around ingredients with robust clinical evidence behind them — peer-reviewed studies, not marketing claims. Peptides, retinoids, ceramides, niacinamide, hyaluronic acid — these are actives with decades of dermatological research supporting their use.
3. Dermatologist Testing
Every Stiltskin product is dermatologist-tested — meaning it has been evaluated by qualified dermatologists for safety, tolerability, and efficacy before reaching your skin.
What Over-the-Counter Products Often Get Wrong
This isn't to say all OTC skincare is ineffective — but there are common patterns that limit results:
- Underdosed actives — ingredients listed on the label at concentrations too low to produce clinical effects
- Unstabilized formulas — actives like Vitamin C oxidize quickly without proper stabilization (Ferulic Acid, Tocopherol), rendering them ineffective before they reach your skin
- Occlusive ingredients that block absorption — heavy silicones or waxes that sit on the skin's surface and prevent actives from penetrating
- Fragrance and irritants — synthetic fragrances are among the most common causes of skin sensitization and can compromise the barrier over time
What to Look for on a Label
When evaluating any skincare product, look for:
- Specific percentages listed for key actives (e.g. "Niacinamide 10%", "L-Ascorbic Acid 15%")
- Stabilizing ingredients paired with actives (e.g. Ferulic Acid with Vitamin C)
- Absence of parabens, sulfates, and synthetic fragrances
- Dermatologist-tested and cruelty-free certifications
At Stiltskin, we list every key active and its purpose. No proprietary blends designed to obscure concentrations. No filler ingredients dressed up with scientific-sounding names. Just formulations that work — because the science says so.
Want to understand exactly what's in your Stiltskin products? Visit our Ingredients & Science glossary for a full breakdown of every key active.