Retinol
A vitamin A derivative, topical, decades of evidence for fine lines, texture and acne. Causes dryness and irritation early; sun sensitivity. Prescription tretinoin is the stronger version.
GHK-Cu
A copper peptide the body makes less of with age. By injection ($229 a month) or topical. Stimulates collagen and elastin, supports wound healing, and is gentle. Results over two to three months.
Together
Retinol at night, GHK-Cu injected or in the morning. Many dermatologists favor exactly this pairing, with sunscreen every day.
How to Get It
At Zen IV Spa every program is prescribed by our medical director, a licensed physician, after a $50 video consultation and labs drawn at your home. Medication ships overnight anywhere in New York or New Jersey from an FDA-registered 503A pharmacy, and a nurse can come for the first dose.
Common Questions
Is injected GHK-Cu better than cream?+
It reaches the whole body; creams work where applied. Both have a place.
Can GHK-Cu replace retinol?+
No. Retinol has far more evidence.
Side effects?+
Injection-site redness; rare copper taste.
All treatments are medical services. Every guest is screened, and every treatment is provided only under the clearance, prescription or standing protocol of a licensed medical provider. Nothing on this page is a diagnosis or a promise of results. For an emergency, call 911.