Turning 40 marks a new chapter in your skin’s story — one defined by wisdom, strength, and the natural evolution of collagen, elasticity, and hydration.

While aging is beautiful, the key to maintaining radiant, youthful skin lies in understanding how your skin changes and adjusting your skincare accordingly.

At S C I E N C E +, we focus on science-backed, medical-grade skincare that supports your skin’s structure at every age. Here’s how to build an effective, results-driven routine for your 40s and beyond.

1.  Focus on Collagen Support

Around age 40, collagen production naturally slows, leading to fine lines, laxity, and loss of firmness.

To counteract this, incorporate growth factors, peptides, and retinol into your daily routine — ingredients proven to strengthen and rebuild skin from within.

•  ProFactor5 Serum — our top-selling formula featuring five bioactive growth factors and multi-peptides to promote elasticity and firmness.

•  Retinol 1 % Serum — boosts cell renewal and collagen while refining texture and evening tone.

Founder Tip: Apply ProFactor5 Serum morning and night to help your skin stay strong, smooth, and supported 24/7.

2.  Brighten and Protect with Antioxidants

In your 40s, cell turnover begins to slow, often leading to uneven tone or dullness. Start each morning with Vitamin C 15 % Serum — a powerful antioxidant that brightens, protects against UV damage, and stimulates collagen production.

Layer it under Pro Day Cream + and always finish with a broad-spectrum SPF 30+ to prevent sun-induced aging.

3.  Deep Hydration Is Non-Negotiable

Hormonal changes during your 40s can cause dryness and loss of moisture. Maintaining a healthy skin barrier is essential to prevent dehydration and dullness.

•  Cleanse gently with Hydrating Cleanser + to purify without stripping natural oils.

•  Tone with Pro Toner + to replenish hydration.

•  Moisturize with Pro Day Cream + during the day and Overnight Collagen + Mask or

ProFactor5 Night Cream at night.

Hydration restores plumpness, enhances glow, and improves the penetration of active ingredients.

4.  Repair and Renew at Night

Your skin does most of its repair while you sleep.

In your 40s, this nightly recovery process is slower — which is why targeted evening products are so important.

Your ideal nighttime lineup:

1.  Exfoliating Cleanser +

2.  Pro Toner +

3.  Retinol 1 % Serum or ProFactor5 Serum

4.  Pro Eye Cream + and Pro Eye Serum +

5.  Overnight Collagen + Mask or Profactor5 Night Cream

This combination supports renewal, firmness, and visible radiance — so you wake up to smoother, refreshed skin.

5.  Treat the Eyes and Neck with Care

The eye and neck areas often show signs of aging first.

Use Pro Eye Cream + morning and night to minimize fine lines, puffiness, and dark circles. Extend your serums and moisturizers down to the neck and décolleté for complete rejuvenation.