How to Use the Vitamin C Radiant Skin Set for Brightening
By Dr Barbara Sturm | 15% Off First Order | Published: 2026-10-29
Category: How-to Guides
Learn the correct order and timing for the Vitamin C Radiant Skin Set to brighten skin, plus common mistakes to avoid for best results.
Quick answer
Use the Vitamin C Radiant Skin Set in the morning on clean, dry skin: apply the vitamin C serum first, then follow with moisturizer and SPF. Consistency matters more than quantity—a few drops daily will give you the brightest results.
Why morning is the best time for vitamin C
Vitamin C is an antioxidant, so it works hardest when your skin is exposed to daytime stressors like UV rays and pollution. Applying it in the morning gives your skin a layer of protection that lasts through the day. If you only use it at night, you miss that defense window.
The trade-off: vitamin C can be irritating at first
If your skin is new to vitamin C, you might feel a slight tingle or see redness in the first week. That’s normal, but it’s a sign to start slow. Use the serum every other day for the first week, then build up to daily use. If irritation persists, reduce frequency or apply it over a moisturizer to buffer the effect.
Your step-by-step routine
- Cleanse and dry: Start with a clean face. Wash with a gentle cleanser and pat dry. Wait 30 seconds to ensure your skin is fully dry—vitamin C is water-soluble and can be less effective if applied to damp skin. Checkpoint: skin is dry, not just towel-dried.
- Apply the vitamin C serum: Dispense 2-3 drops of the serum onto your fingertips and press it into your face and neck. Avoid rubbing. Let it absorb for 1-2 minutes before moving to the next step. Don’t use more than a few drops—excess won’t boost results and can cause irritation. Checkpoint: no sticky residue before proceeding.
- Follow with moisturizer: Apply your usual moisturizer to lock in the serum and keep your skin barrier happy. This also helps minimize any potential dryness from the vitamin C.
- Finish with SPF: Vitamin C makes your skin more sun-sensitive, so a broad-spectrum SPF 30 or higher is non-negotiable. Apply it as the final step of your morning routine and reapply if you’re outdoors for long. Checkpoint: SPF is applied every morning, even on cloudy days.
What’s in the set
- THE VITAMIN C RADIANT SKIN SET: This set combines vitamin C with complementary products to complete your SturmGlow routine. You get a coordinated regimen that targets brightness and glow without needing to mix and match separate products.

THE VITAMIN C RADIANT SKIN SET
