Perfect For
This serum is ideal if you have...
City Dwellers | Urban Skin
You're exposed to pollution, smog, and environmental stress daily. You need a shield against the damage that ages skin prematurely.
Irritated, Reactive Skin
Your skin gets red and inflamed easily. You need soothing antioxidants that calm while protecting.
Wanting to Prevent Aging
You know prevention is easier than correction. You want to protect your skin NOW to keep it youthful for years to come.
Post-procedure skin (laser, peels, microneedling)
Rosacea-prone or sensitive skin
Sun-damaged or environmentally-stressed skin
Anyone living in high-pollution areas
Layering under SPF for double protection
DERMATOLOGIST-TESTED
Safe for all skin types, including sensitive and reactive skin. Hypoallergenic. Non-comedogenic. Fragrance-free.
Protect Today. Glow Tomorrow.
Real skin, real protection, real results
Four Powerful Actives. One Complete Shield.
Your skin deserves more than basic protection. Defense Serum combines four scientifically proven actives in optimal concentrations to create an impenetrable shield against environmental damage while actively reversing signs of aging.
Each ingredient is carefully selected to work synergistically, multiplying effectiveness and delivering visible results you can see and feel.
Stabilized Vitamin C 15%
- Reduces 74% of damage from pollution, UV rays, and stressors
- Boosts collagen for firmer skin and diminishes fine lines and wrinkles
- Evens complexion by brightening skin tone and fading dark spots
- Maximum potency without irritation, gentle for sensitive skin
Niacinamide 5%
- Boosts protective barrier by 40%, decreases moisture loss and environmental susceptibility
- Minimizes pores and balances oil for a refined look
- Reduces inflammation, redness, and evens skin tone
- Defends against blue light damage and boosts skin resilience
Ferulic Acid + Vitamin E
- Enhances photoprotection of vitamin C for superior defense against UV damage
- Preserves vitamin C effectiveness for long-lasting antioxidant protection
- Prevents premature aging by protecting cell membranes from oxidative stress
- Targets sun damage by reducing dark spots, fine lines, and uneven texture
Green Tea + Pomegranate Extract
- Defends against pollution and toxins with polyphenols
- Protects against blue light damage from digital screens & LED lighting
- Reduces inflammation and soothes irritated skin, supporting natural defenses
- Antioxidants protect against environmental damage
Why You'll Love It
Defense Serum is your daily insurance policy against environmental aging. This lightweight, fast-absorbing formula creates an invisible shield that protects your skin from pollution, UV rays, blue light, and free radicals — the primary causes of premature aging.
Unlike heavy, greasy serums, this silky texture absorbs instantly and layers beautifully under makeup and moisturizer. You’ll notice immediate radiance, and within weeks, visible transformation in tone, texture, and overall skin health.
It’s the one product that works while you work, protecting your skin from everything your day throws at it.
Perfect For
- Women 30+ concerned about environmental aging and early prevention
- Urban dwellers exposed to daily pollution and environmental stressors
- Office workers spending hours in front of computer screens (blue light exposure)
- Anyone with sun damage, dark spots, or uneven skin tone
- Outdoor enthusiasts needing extra antioxidant protection
- All skin types — including sensitive, dry, oily, and combination
- Those seeking a brighter, more radiant, protected complexion
- Anyone wanting to prevent premature aging before it starts
Safe For
- Sensitive skin
- Acne-prone skin
- Mature skin
- Post-procedure skin
- Pregnancy & nursing (consult your doctor)
- Daily use
- All seasons
- Under makeup
Dermatologist tested and clinically proven safe for all skin types
Key Actives
- Stabilized Vitamin C (Sodium Ascorbyl Phosphate) 15% - Powerful antioxidant that neutralizes free radicals, brightens skin, stimulates collagen, and protects against environmental damage
- Niacinamide (Vitamin B3) 5% - Multi-functional ingredient that strengthens skin barrier, reduces inflammation, minimizes pores, and protects against blue light damage
- Ferulic Acid 0.5% - Enhances stability and effectiveness of vitamins C and E while providing superior photoprotection against UV damage
- Vitamin E (Tocopherol) - Lipid-soluble antioxidant that protects cell membranes and amplifies vitamin C effectiveness
- Green Tea Extract - Rich in EGCG polyphenols that defend against pollution and environmental stressors while soothing inflammation
- Pomegranate Extract - Protects specifically against blue light and UV damage while providing potent antioxidant benefits
- Low Molecular Weight Hyaluronic Acid - Penetrates deeply to hydrate, plump, and support skin's natural repair processes
- Licorice Root Extract - Natural brightening agent that evens skin tone and reduces appearance of dark spots
Full Ingredient List
Aqua (Water), Butylene Glycol, 1,2-Hexanediol, Pentylene Glycol, Camellia Sinensis Leaf Extract, Calophyllum Inophyllum Seed Oil, Acrylate/C10-30 Alkyl Acrylates Crosspolymer, Sodium Hydroxide.
What We Don't Use
Our commitment to clean, effective skincare means we never use:
✗ Parabens
✗ Sulfates
✗ Phthalates
✗ Synthetic Fragrances
✗ Mineral Oil
✗ Formaldehyde Donors
✗ Triclosan
✗ Oxybenzone
✗ Petrolatum
✗ Coal Tar
✗ Hydroquinone
✗ Talc
Always: Cruelty-free, dermatologist-tested, made for sensitive skin
When to Use
Morning (Essential): Apply after cleansing and before moisturizer. This is your primary defense time—protect your skin before facing environmental stressors. Always follow with SPF 30+.
Evening (Optional): Can be used twice daily for enhanced results. If using at night, follow with Recovery Cream or Renew Moisturizer for complete overnight repair.
Before Sun Exposure: Apply 20 minutes before outdoor activities for optimal antioxidant protection.
Screen Time: Essential protection if you work in front of computers or spend significant time on devices.
Best Results: Consistent daily use morning and evening for 8+ weeks shows maximum transformation.
Layering Guide
Step 1: Gentle Cleanser - Remove impurities
Step 2: Gentle Balancing Toner - Prep and balance (optional)
Step 3: Defense Serum - Protect and defend (2-3 drops)
Step 4: Deep Hydration Serum - Extra hydration if needed (optional)
Step 5: Hydration Cream or Renew Moisturizer - Lock in protection
Step 6: SPF 30+ - Final shield (morning only)
Pro Layering Tip: Wait 30-60 seconds between each layer for optimal absorption and effectiveness.
Perfect Pairs:
- Defense Serum + Hydration Cream SPF 30 = Complete morning protection
- Defense Serum + Recovery Cream = Powerful overnight repair
- Defense Serum + Radiance Serum = Maximum brightening results
Pro Tips
Maximize Results:
- Apply to slightly damp skin for enhanced absorption
- Use gentle pressing motions rather than rubbing to preserve delicate skin
- Don't forget your neck and décolleté—they age first!
- Store in cool, dry place away from direct sunlight to maintain potency
First-Time Users:
- Slight tingling is normal due to vitamin C—should subside within minutes
- If sensitive, start with every other day and build to daily use
- Patch test on inner arm if you have reactive skin
Boost Your Glow:
- Use with Radiance Serum at night for double brightening power
- Layer under makeup for all-day radiant finish
- Refrigerate for extra cooling, de-puffing effect
Troubleshooting:
- If irritation occurs, reduce to 3x per week and gradually increase
- Always use SPF when using vitamin C products
- Use within 6 months of opening for maximum potency
Returns
Shipping
- FREE Standard Shipping on orders $50+
- Express Shipping available at checkout
- Orders ship within 1-2 business days
- Tracking provided for all orders
- Secure, eco-friendly packaging
- Ships to all 50 states
Delivery Times:
- Standard: 5-7 business days
- Express: 2-3 business days
- Same-day processing for orders placed before 2pm EST
Subscribe & Save
Subscribe to receive Defense Serum every 30, 60, or 90 days and save 15% on every order.
Subscription Benefits:
- Save 15% on every order - that's $5.70 per bottle
- Free shipping on all subscription orders (no minimum)
- Never run out - automatic delivery on your schedule
- Pause or cancel anytime with one click (no penalties)
- Exclusive early access to new products and sales
- VIP customer support - priority assistance
- Flexible delivery - adjust frequency anytime
How It Works:
- Choose your delivery frequency (30, 60, or 90 days)
- Receive automatic shipments - never worry about reordering
- Manage your subscription online anytime
- Cancel or modify with zero hassle
Why You'll Love It
Defense Serum is your daily insurance policy against environmental aging. This lightweight, fast-absorbing formula creates an invisible shield that protects your skin from pollution, UV rays, blue light, and free radicals — the primary causes of premature aging.
Unlike heavy, greasy serums, this silky texture absorbs instantly and layers beautifully under makeup and moisturizer. You’ll notice immediate radiance, and within weeks, visible transformation in tone, texture, and overall skin health.
It’s the one product that works while you work, protecting your skin from everything your day throws at it.
Perfect For
- Women 30+ concerned about environmental aging and early prevention
- Urban dwellers exposed to daily pollution and environmental stressors
- Office workers spending hours in front of computer screens (blue light exposure)
- Anyone with sun damage, dark spots, or uneven skin tone
- Outdoor enthusiasts needing extra antioxidant protection
- All skin types — including sensitive, dry, oily, and combination
- Those seeking a brighter, more radiant, protected complexion
- Anyone wanting to prevent premature aging before it starts
Safe For
- Sensitive skin
- Acne-prone skin
- Mature skin
- Post-procedure skin
- Pregnancy & nursing (consult your doctor)
- Daily use
- All seasons
- Under makeup
Dermatologist tested and clinically proven safe for all skin types
Key Actives
- Stabilized Vitamin C (Sodium Ascorbyl Phosphate) 15% - Powerful antioxidant that neutralizes free radicals, brightens skin, stimulates collagen, and protects against environmental damage
- Niacinamide (Vitamin B3) 5% - Multi-functional ingredient that strengthens skin barrier, reduces inflammation, minimizes pores, and protects against blue light damage
- Ferulic Acid 0.5% - Enhances stability and effectiveness of vitamins C and E while providing superior photoprotection against UV damage
- Vitamin E (Tocopherol) - Lipid-soluble antioxidant that protects cell membranes and amplifies vitamin C effectiveness
- Green Tea Extract - Rich in EGCG polyphenols that defend against pollution and environmental stressors while soothing inflammation
- Pomegranate Extract - Protects specifically against blue light and UV damage while providing potent antioxidant benefits
- Low Molecular Weight Hyaluronic Acid - Penetrates deeply to hydrate, plump, and support skin's natural repair processes
- Licorice Root Extract - Natural brightening agent that evens skin tone and reduces appearance of dark spots
Full Ingredient List
Aqua (Water), Butylene Glycol, 1,2-Hexanediol, Pentylene Glycol, Camellia Sinensis Leaf Extract, Calophyllum Inophyllum Seed Oil, Acrylate/C10-30 Alkyl Acrylates Crosspolymer, Sodium Hydroxide.
What We Don't Use
Our commitment to clean, effective skincare means we never use:
✗ Parabens
✗ Sulfates
✗ Phthalates
✗ Synthetic Fragrances
✗ Mineral Oil
✗ Formaldehyde Donors
✗ Triclosan
✗ Oxybenzone
✗ Petrolatum
✗ Coal Tar
✗ Hydroquinone
✗ Talc
Always: Cruelty-free, dermatologist-tested, made for sensitive skin
When to Use
Morning (Essential): Apply after cleansing and before moisturizer. This is your primary defense time—protect your skin before facing environmental stressors. Always follow with SPF 30+.
Evening (Optional): Can be used twice daily for enhanced results. If using at night, follow with Recovery Cream or Renew Moisturizer for complete overnight repair.
Before Sun Exposure: Apply 20 minutes before outdoor activities for optimal antioxidant protection.
Screen Time: Essential protection if you work in front of computers or spend significant time on devices.
Best Results: Consistent daily use morning and evening for 8+ weeks shows maximum transformation.
Layering Guide
Step 1: Gentle Cleanser - Remove impurities
Step 2: Gentle Balancing Toner - Prep and balance (optional)
Step 3: Defense Serum - Protect and defend (2-3 drops)
Step 4: Deep Hydration Serum - Extra hydration if needed (optional)
Step 5: Hydration Cream or Renew Moisturizer - Lock in protection
Step 6: SPF 30+ - Final shield (morning only)
Pro Layering Tip: Wait 30-60 seconds between each layer for optimal absorption and effectiveness.
Perfect Pairs:
- Defense Serum + Hydration Cream SPF 30 = Complete morning protection
- Defense Serum + Recovery Cream = Powerful overnight repair
- Defense Serum + Radiance Serum = Maximum brightening results
Pro Tips
Maximize Results:
- Apply to slightly damp skin for enhanced absorption
- Use gentle pressing motions rather than rubbing to preserve delicate skin
- Don't forget your neck and décolleté—they age first!
- Store in cool, dry place away from direct sunlight to maintain potency
First-Time Users:
- Slight tingling is normal due to vitamin C—should subside within minutes
- If sensitive, start with every other day and build to daily use
- Patch test on inner arm if you have reactive skin
Boost Your Glow:
- Use with Radiance Serum at night for double brightening power
- Layer under makeup for all-day radiant finish
- Refrigerate for extra cooling, de-puffing effect
Troubleshooting:
- If irritation occurs, reduce to 3x per week and gradually increase
- Always use SPF when using vitamin C products
- Use within 6 months of opening for maximum potency
Returns
Shipping
- FREE Standard Shipping on orders $50+
- Express Shipping available at checkout
- Orders ship within 1-2 business days
- Tracking provided for all orders
- Secure, eco-friendly packaging
- Ships to all 50 states
Delivery Times:
- Standard: 5-7 business days
- Express: 2-3 business days
- Same-day processing for orders placed before 2pm EST
Subscribe & Save
Subscribe to receive Defense Serum every 30, 60, or 90 days and save 15% on every order.
Subscription Benefits:
- Save 15% on every order - that's $5.70 per bottle
- Free shipping on all subscription orders (no minimum)
- Never run out - automatic delivery on your schedule
- Pause or cancel anytime with one click (no penalties)
- Exclusive early access to new products and sales
- VIP customer support - priority assistance
- Flexible delivery - adjust frequency anytime
How It Works:
- Choose your delivery frequency (30, 60, or 90 days)
- Receive automatic shipments - never worry about reordering
- Manage your subscription online anytime
- Cancel or modify with zero hassle
How to Apply
Shield your skin from daily damage
Cleanse gently
Start with clean skin—morning cleanse removes overnight oils.
Apply 3-4 drops all over face
Unlike treatment serums, this goes everywhere. Your whole
face needs protection.
Press and pat into skin
Make sure it's evenly distributed. Let absorb 30 seconds.
Follow with moisturizer and SPF
CRITICAL: This serum protects against free radicals, but SPF
protects against UV. Use both for complete protection.
💡 PRO TIPS FOR MAXIMUM RESULTS
- Can also be used at night to repair daily damage and strengthen skin barrier overnight.
- Apply BEFORE SPF, not after—antioxidants work better when closest to skin
- Reapply during the day if you're outdoors for extended periods (pack a travel size)
- Perfect for post-gym or after being outdoors—helps repair environmental stress
- Gentle enough to use twice daily, every day
SIZE: 1 fl oz (30 ml)
SUPPLY: 45-60 days when used twice daily all over face
COST PER USE: $0.34-0.52 per application
What to Expect
Real results, real timeline
Instant Protection Begins
Visible Radiance
Deep Transformation
Complete Protection & Renewal
In an independent 8-week clinical study with 60 participants:
89% showed visibly brighter, more radiant skin
92% experienced significant improvement in skin tone evenness
85% noticed visible reduction in dark spots and discoloration
74% measured reduction in free radical damage
96% reported skin felt more protected and resilient
88% saw improvement in overall skin texture and smoothness
What Our Customers Say
Join 2,500+ women who transformed their skin with Ravonna
Protection and Strength You Can Feel
After adding the Defense Serum to my routine, my skin feels stronger, smoother, and far less reactive to weather changes. It provides a protective, comforting layer without heaviness. My complexion looks more resilient every day.
Finally, a Barrier Serum That Delivers
My skin barrier was damaged from over-exfoliating, but this serum repaired it quickly. Redness dropped, hydration improved, and my skin now stays balanced throughout the day. It feels soothing, restorative, and genuinely protective.
Keeps My Skin Steady and Balanced All Day
This serum stabilizes my skin like nothing else. It calms irritation, supports hydration, and creates a smooth base for everything I apply after. My skin feels protected from dryness and stress, even on long workdays.
A Daily Essential for Sensitive or Stressed Skin
My skin gets irritated easily, but this serum helps keep it calm, strong, and evenly toned. It absorbs quickly, layers beautifully, and reduces the tightness I often feel. A noticeable improvement in my skin’s overall resilience.
Stronger Skin, Less Redness, Better Texture
Within weeks, my skin felt more fortified and far less prone to flare-ups. The texture looks smoother and healthier, and the redness faded significantly. It’s lightweight but deeply effective, making it a staple in my routine.
The Protection My Skin Was Missing
This serum gave my skin the stability it needed. It keeps moisture in, shields from irritation, and leaves a comfortable, velvety finish. I’ve noticed fewer dry spots and a much more even, steady complexion throughout the day.
Frequently Asked Questions
Complete Your Routine
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