Glowblue was designed for all skin types — dry, oily, combination, sensitive, and normal. Our clinical study included 200+ women across all Fitzpatrick skin types, and 97% reported positive results regardless of their skin type. The formulation is oil-free, non-comedogenic, and free of common irritants. If you have extremely reactive skin, we always recommend a patch test first — copper peptides are actually well-tolerated even by sensitive skin.

Most users notice improved hydration and a subtle glow within 3–5 days. Clinically significant brightening and tone evening typically appears around day 14. Texture improvement and fine line reduction become noticeable around week 4. Full results — including pore refinement and dark spot fading — generally manifest between 6–8 weeks of consistent use. The key is consistency: morning and evening, every day.

Yes, though with a few caveats. Glowblue contains Bakuchiol (a retinol alternative), so you may not need your retinol at all. If you do want to use both, we recommend using Glowblue in the morning and your retinol at night, never layered together. Glowblue plays beautifully with peptides, ceramides, and SPF. Avoid layering with AHAs/BHAs at the same time — use them on alternate nights.

Glowblue contains no retinol, retinoids, or any ingredients on the pregnancy-avoid list. Bakuchiol has been studied and considered safe during pregnancy, and all other ingredients (Niacinamide, Hyaluronic Acid, Vitamin C, Squalane) are widely regarded as pregnancy-safe. That said, we always recommend consulting your OB-GYN before introducing any new skincare product during pregnancy or nursing.

Glowblue has a lightweight, silky-oil texture — not watery, not heavy. It absorbs in about 30 seconds and leaves skin feeling soft and plumped without any greasy residue. The Squalane base gives it a beautiful slip that makes application feel genuinely luxurious. Many of our customers describe it as the most "satisfying" part of their routine.

The blue color comes from copper peptides (GHK-Cu), the signature active in our formulation. Copper naturally produces a striking blue hue — it's not a dye or colorant, it's the molecule itself. This is actually a sign of potency: the richer the blue, the higher the concentration. When you apply the serum, the blue blends seamlessly into your skin, leaving nothing behind but results.

One 30ml bottle lasts approximately 60 days when used as directed (3–4 drops, twice daily). That's about $0.82/day at the subscribe price, or less than your daily coffee. Our subscription ships every 60 days so you never run out.

We offer a 60-day, no-questions-asked money-back guarantee. If Glowblue doesn't work for you — for any reason — email us and we'll process a full refund. You don't even need to send the bottle back. We stand behind our formulation because the clinical data gives us that confidence.

Never. Glowblue is 100% cruelty-free and Leaping Bunny certified. We test on real human volunteers in independent clinical settings — never on animals. Our entire supply chain is cruelty-free, and we verify this annually with our ingredient suppliers.

Glowblue is formulated and manufactured in the United States in an FDA-registered, GMP-certified facility. Our copper peptides are pharmaceutical-grade, synthesized under strict quality controls. All other ingredients are sourced from trusted suppliers with full traceability documentation.