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ECOCERT COSMOS Certified
Skincare that works with your skin, not against it
Research-backed formulas with 99% natural origin ingredients. Real results, nothing harsh.
99% Natural Origin
Free Shipping
30-Day Guarantee
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"Finally, skincare that actually works. My skin has never looked better — the difference was visible within weeks."
Sarah M. — Verified Purchase
Why people trust us
Formulated for results.
Certified for purity.
Research-Backed Ingredients
Every formula features clinically studied actives — multi-weight hyaluronic acid, Hexapeptide-11, and botanical antioxidants proven to deliver visible results.
ECOCERT COSMOS Certified
Independently certified to the highest global standard for natural and organic cosmetics. Every ingredient, every batch — verified.
99% Natural Origin
Pure, potent botanicals and science-backed actives. No synthetic fragrance, no parabens, no fillers. Everything in the formula earns its place.
30-Day Money Back Guarantee
Not completely satisfied? Return within 30 days for a full refund — no questions asked.
What's inside
Ingredients that earn their place
01 — Peptide
Hexapeptide-11
A signaling peptide that communicates directly with skin cells to support collagen synthesis from within. No irritation. No adjustment period. Just firmer, smoother skin over time.
02 — Hydration
Hydrolyzed Hyaluronic Acid
Standard HA sits on top of the skin. Hydrolyzed HA has a smaller molecular weight — it penetrates below the surface and plumps fine lines where moisture is actually needed.
03 — Antioxidant
Blueberry & Strawberry Seed Oils
Rich in omega fatty acids and antioxidants, these botanical oils protect against daily environmental stress — UV, pollution, blue light — while supporting a healthy skin barrier.
The Collection
Shop Our Products
Peptide Renewal Serum
Firms, smooths, and supports collagen. For all skin types.
Hydrating Serum + Multi-HA
Deep hydration that plumps fine lines from within.
AHA Peeling Concentrate
Brightens, evens tone, and refines texture gently.
All-In-One Facial Oil
Rich nourishment for dry and mature skin. COSMOS Organic.
Build your routine
How to use them together
☀️ Morning Routine
1
Hydrating Serum
2 pumps on clean skin. Sinks in immediately, no residue.
2
SPF (not included)
Always finish with SPF. Serums work best when protected.
🌙 Evening Routine
1
Peptide Renewal Serum
Apply to clean skin nightly. This is when skin repairs itself.
2
All-In-One Facial Oil
3–4 drops to seal everything in. Wakes up soft and glowy.
3
AHA Peeling Concentrate
1–2 evenings per week instead of the serum. Brightens and refines.
Customer Reviews
What Our Customers Say
★★★★★
Peptide Renewal Serum
"I've been using this for about a month and my skin just looks…better. My forehead lines are softer and my face doesn't look as tired in the mornings."
Anna K.★★★★★
Hydrating Serum
"My flaky winter skin was a mess until I started using this. Two pumps morning and evening and my face feels like silk — no more tight dryness, and that dewy glow is unreal."
Sophia★★★★★
AHA Peeling Concentrate
"Been using this once a week for a month and my skin tone has evened out noticeably. The dark spot I've had on my cheek for years is visibly lighter."
Michelle R.★★★★★
All-In-One Facial Oil
"Just a few drops at night and I wake up with that plump, glowy vibe. No greasy feel, smells amazing, and it layers perfectly under moisturiser."
Linda★★★★★
Peptide Renewal Serum
"Nothing dramatic overnight, but over time my skin just looks healthier. Texture is more even, I'm less dull, and my cheeks feel plumper."
Daniela★★★★★
AHA Peeling Concentrate
"I was nervous about trying an acid but this is so gentle. My skin looks brighter the morning after and my foundation goes on so much smoother."
Natalie K.What to expect
What changes in 30 days
Week 1–2
Hydration & texture
Skin feels softer and more supple. Dryness and tightness ease. Texture begins to smooth. Most customers notice this first.
Week 2–4
Glow & tone
Skin looks brighter and more even. Fine lines appear less pronounced. The dewy look that lasts through the day.
Day 30+
Firmness & support
Collagen support from Hexapeptide-11 builds over time. Skin feels structurally firmer. The results that keep improving.
FAQ
Everything You Need to Know
Every product is formulated with research-backed actives, certified to ECOCERT COSMOS standards, and made with 99% natural origin ingredients. No synthetic fragrance, no parabens, no fillers. Every ingredient has a specific purpose.
Most of our products are gentle enough for sensitive skin. The Peptide Renewal Serum and AHA Peeling Concentrate are fragrance-free. The Hydrating Serum and Facial Oil contain natural fragrance — if you have fragrance sensitivity, stick to the fragrance-free options.
The Peptide Serum is best for firmness, texture, and collagen support. The AHA Concentrate is for brightening and exfoliation. The Hydrating Serum is for deep moisture and glow. The Facial Oil is for dry and mature skin needing rich nourishment.
Yes. A simple routine: Hydrating Serum in the morning, Peptide Serum in the evening, and AHA Concentrate 1–2 times per week. The Facial Oil works as a final step to seal everything in.
Most customers notice improved hydration and texture within 1–2 weeks. Firming effects from the Peptide Serum are more gradual — typically 4–6 weeks of consistent use.
Yes to both. Free shipping on every order, no minimum. 30-day money back guarantee — if you're not satisfied, we'll refund you in full. No complicated process.
Yes. Subscribe to any product and save 15% on every order. Cancel anytime, no lock-in, no commitment.
30-Day Guarantee
Not satisfied? Full refund, no questions asked.
Free Shipping
On every order. No minimum spend, no exceptions.
ECOCERT Certified
Independently verified to the highest clean cosmetics standard.
Subscribe & Save 15%
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Join the community
Your skin deserves better ingredients.
ECOCERT certified. 99% natural origin. Formulas that actually deliver.
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★★★★★
"After years of trying everything, Citadel Skin finally delivered what others promised. My skin is clearer, more radiant, and I feel confident going makeup-free for the first time in years."Rebecca W. — Verified Purchase