Your 3-Step Healthy Skin Anti-Ageing Programme? Finishes Here.? Step 3 - Protect. The cornerstone of any effective anti-ageing programme is sun protection. UV rays account for up to 90% of the signs of premature ageing. You can opt for a daily moisturiser with built-in SPF or Oasis Sun SPF30. Make sure you choose one.? They will ensure you have that essential protection?from UV rays everyday, all year round.?