The Spa Dr. Antioxidant Serum – 30 mL Daily Bio-Retinol Serum for Firming & Hydration, pH-Balanced

The Spa Dr. Antioxidant Serum is a daily, pH-balanced antioxidant and bio-retinol serum designed to visibly firm, hydrate, and renew skin without retinol-related irritation.

This lightweight 30 mL serum is the second step in The Spa Dr. three-step age-defying regimen and combines a patented Skinutriceuticals complex with high-potency botanicals to support barrier health, improve elasticity, and reduce the appearance of fine lines. Formulated to be gentle enough for daily use on all skin types, it prioritizes barrier repair, antioxidant defense, and gradual renewal rather than harsh resurfacing.

How does this serum improve firmness and elasticity?

The formula targets the skin barrier and underlying support structures with a blend of bio-retinol, resveratrol, and hyaluronic acid to strengthen tissue resilience and visibly lift the complexion. Clinical testing reported measurable improvements in firmness, elasticity, and wrinkle appearance when used consistently as part of the system.

• Bio-Retinol supports cell turnover similar to retinol but with reduced irritation.
• Resveratrol from Japanese Knotweed offers antioxidant support to protect structural proteins.
• Hyaluronic acid hydrates and plumps for immediate and cumulative firmness.
• Clinically tested results noted firmness gains after 28–56 days with regular use.

Will this serum work for sensitive or reactive skin?

This serum was created to deliver retinol-like renewal without the common side effects of traditional retinoids, making it suitable for sensitive and reactive skin types. Its focus on barrier repair and calming botanicals reduces the likelihood of redness, flaking, or sensitivity spikes often seen with stronger retinoids.

• Bio-Retinol delivers renewal with minimal irritation compared to retinol.
• Soothing ingredients such as aloe and rosemary help calm and support the barrier.
• Fragrance-free, non-toxic formulation tested across diverse skin types.
• Daily use recommended—no aggressive night-only protocol required.

What antioxidant and botanical ingredients are included and why?

The serum blends concentrated antioxidants and botanical extracts to defend against oxidative stress and support visible brightening. Kakadu plum provides high vitamin C potency, while resveratrol and other extracts lend protective and restorative benefits for healthier-looking skin.

• Kakadu Plum supplies a naturally high source of vitamin C for brightness and antioxidant defense.
• Japanese Knotweed-derived resveratrol supports protection of collagen and elastin.
• Aloe and rosemary extracts soothe and reduce environmental stress impact on skin.
• Combined actives aim to support daily protection and gradual renewal without irritation.

How should I use this serum in my routine for best results?

Apply the serum after cleansing and balancing (step one) and before moisturizers and sunscreen. Use morning and evening for consistent results, and incorporate it as step two of The Spa Dr. three-step regimen to maximize the clinically tested benefits.

• Dispense a few drops onto fingertips and smooth over face and neck until absorbed.
• Follow with a hydrating moisturizer and broad-spectrum SPF in daytime routines.
• For best outcomes, use daily and as directed with the full system.
• Compatible with most actives—patch test if combining with potent exfoliants.

Who is this for: The Spa Dr. Antioxidant Serum suits anyone seeking visible anti-aging improvement without the typical retinoid side effects. It works well for those with sensitive or combination skin, people who want a pH-balanced, fragrance-free formula, and users committed to a daily regimen that prioritizes barrier strength, hydration, and antioxidant protection. If your goal is steady, clinically supported firmness, improved elasticity, and smoother texture using gentle, doctor-formulated ingredients, this serum is designed to fit into your routine.

Ingredients

Aqua, Aloe Barbadensis Leaf Juice, Ananas Sativus Fruit Extract, Sodium Hyaluronate, Glycerin, Terminalia Ferdinandiana Fruit Extract, Gleditsia Triacanthos Seed Extract, Bidens Pilosa Extract, Elaeis Guineensis Oil, Gossypium Herbaceum (Cotton) Seed Oil, Linum Usitatissimum Seed Oil, Rosmarinus Officinalis Flower Extract, Citrus Aurantium Bergamia Peel Oil, Cananga Odorata, Citrus Nobilis Peel Oil, Litsea Cubeba Fruit Oil, Pullulan, Lysolecithin, Sclerotium Gum, Xanthan Gum, Sodium Phytate, Gluconolactone, Sodium Benzoate, Polygonum Cuspidatum (Japanese Knotweed) Root Extract, Calcium Gluconate.