B3 Plus 30ml

Even Skin Tone & Collagen Boosting
30 mL / 1.0 US oz

O Cosmedics top-selling serum! Powered by award-winning actives and high levels of Vitamin B3 (Niacinamide) to support the skin’s immune system, maintain fatty acid levels and reduce water loss. Effective on problematic skins, uneven skin tone and skins concerned with aging to encourage youthful, radiant skin. Skin saviour!

For all skins concerned with aging.

In stock
How to use

Use morning and/or evening. If skin flushes or tingles use every 2-3 days to begin with.

For best results apply half a pump to clean, dry skin. Can be used on neck, décolletage and back. Massage until fully absorbed.

Best for

For all skins concerned with aging.


This product is free from parabens, harsh preservative systems and fragrances, sulfates, petrochemicals and colours, is gluten and vegan friendly and cruelty free.

  • 12% Niacinamide (B3): Regulates pigment, skin balance and immune. B3 Plus contains the highest percentage of Vitamin B3 in the entire O Cosmedics range.
  • Stay C-50 5%: Gentle and stable form of Vitamin C, antioxidant, pigment regulation, collagen.
  • Trylagen™: A peptide which stimulates the production of collagen.
  • B-White (Biomimetic Peptide): Biomimetic encapsulates peptide which regulates pigment formation leading to powerful brightening.

Ingredients: Aqua, Niacinamide, Sodium Ascorbyl Phosphate, Tripeptide 10 Citrulline, Oligopeptide 68, Pseudoalteromonas Ferment Extract, Hydrolyzed Soy Protein, Tripeptide 1, Hydrolyzed Wheat Protein, Lecithin, Butylene Glycol, Sodium Oleate, Xanthan Gum, Carbomer, Disodium EDTA, Caprylyl Glycol, Phenoxyethanol.

Retinoic Oil 30ml Previous Retinoic Oil 30ml

How to Nail the Best Serum for your Skin

O COSMEDICS corrective serums are concentrated, potent, highly active and focused on tackling specific skin conditions head on, employing specialised medical grade ingredients that offer intense and long-term results. In short – they pack a real skin health PUNCH. Think of Serums as REALLY hard workers who go above and beyond to deliver the best outcome, without which your skin simply can’t function at its best. Because of this it’s essential that your serums, which are multi-functional and perfect for layering, are prescribed by an O Skin Expert to ensure maximum results and a tailored approach to your individual concerns.

Read More

Real Results


What is the B3 Plus serum?

How does B3 Plus work?

Is B3 Plus suitable for all skin types?

Can I use B3 Plus during pregnancy or while breastfeeding?

Can the B3 Plus serum be used with other skincare products?

How should I incorporate B3 Plus into my skincare routine?

To Top