Good for :
- Maintains healthy cell turnover, slowing the natural aging process
- Protects against environmental damage while supporting skin’s barrier function.
- Nourishes skin through antioxidant-rich hydration and regenerative peptides.
- Brightens and evens skin tone while effectively reducing dark spots.
- Regulates melanosome distribution to prevent hyperpigmentation from surfacing.
- Firms and tightens skin texture, renewing lackluster, fatigued skin and slowing the natural aging process.
- Refines fine lines and wrinkles while encouraging healthy collagen production.
- Brightens skin while reducing the signs of age spots and environmental damage.
- Calms skin and reduces redness, irritation, and inflammation.
- Restores skin’s natural barrier activity, retaining natural hydration.
Review Highlights
PRO C4 Retinol Serum
PRO C4 Retinol Serum
Rejuvenate skin with Vitamin C and Retinol serum. Contains 4 forms of Vitamin C, reduces fine lines, wrinkles, and acne. Key Ingredients: Retinol, Vitamin C, Swiss Apple, Alpine Rose, Sea Fennel, Licorice Extract, Olive Leaf Extract.
Innovative Ingredients:
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Peptide Tech
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Vitamin C
MADE IN USA
CRUELTY-FREE
ECO-FRIENDLY PACKAGING
How to Use
Ingredients
Science Ingredients
Ascorbate (BV-OSC), Ascorbyl Palmitate, Ascorbic Acid, Citric Acid:
Keratolytic agent, antioxidant, anti-inflammatory
1% Retinol:
Keratolytic agent, skin rejuvenation
Swiss Apple Plant Stem Cells:
Repairs and restores traumatized skin
Sea Fennel Plant Stem Cells:
Organic brightener
Alpine Rose Plant Stem Cells:
Adapts skin to harsh climates
Edelweiss Plant Stem Cells:
Stimulates healthy fibroblast activity
Hyaluronic Acid:
Natural humectant
Nature Ingredients
Licorice Extract:
Anti-inflammatory, antioxidant, brightening
Olive Leaf Extract:
Anti-inflammatory, strengthens skin immunity, encourages skin hydration
Beet Root Extract:
Anti-inflammatory, soothing
Green Tea Extract:
Powerful antioxidant, inhibits melanosome transfer
Full Ingredients
Good for :
- Maintains healthy cell turnover, slowing the natural aging process
- Protects against environmental damage while supporting skin’s barrier function.
- Nourishes skin through antioxidant-rich hydration and regenerative peptides.
- Brightens and evens skin tone while effectively reducing dark spots.
- Regulates melanosome distribution to prevent hyperpigmentation from surfacing.
- Firms and tightens skin texture, renewing lackluster, fatigued skin and slowing the natural aging process.
- Refines fine lines and wrinkles while encouraging healthy collagen production.
- Brightens skin while reducing the signs of age spots and environmental damage.
- Calms skin and reduces redness, irritation, and inflammation.
- Restores skin’s natural barrier activity, retaining natural hydration.
Review Highlights

Customer Reviews
- YDYoana D.Verified BuyerI recommend this productRated 5 out of 5 stars5 hours agoI love this C4 Retinol
This is my clients favorite retinol and love the results
Was this helpful? - LMLindsay M.Verified BuyerI recommend this productRated 5 out of 5 stars6 days agoBest seller
This is the starter retinal. I put most my clients on. I love that. It’s a one percent retinol and also has vitamin C. This is really great for texture, acne, anti-aging, and brightening.
Was this helpful? - ACAngeli C. A.Verified BuyerI recommend this productRated 5 out of 5 stars2 months agoMy go to retinol💖
Promotes collagen stimulation and lightens pigmentation without irritation
Was this helpful? - VRVena R. C.Verified BuyerI recommend this productRated 5 out of 5 stars2 months agoPro C4 Retinol Serum, Yes My loves, the work horse to longevity skin care
This elegant work horse is the great communicator and deliverer of youth. It has the powerhouse of anti oxidants C!, and the message to your cells to hurry up and turn overn(retinol), resulting in the rise of youthful plump skincells that are protected my the powerful C all the way to the surface of your skin. Reflecting plump, pretty skin.
Was this helpful? - HKHeidi K.Verified BuyerI recommend this productRated 5 out of 5 stars5 days agoLove this product!
This product is so beneficial and can be used twice daily depending on skin, not harsh, helps with fine lines , acne., and inflammation.
Was this helpful?
Peptide Tech
Vitamin C