How to Layer Vitamin C Suspension 23% Without Irritation

By The Ordinary | Clinical Formulations with Integrity | Published: 2026-10-22

Category: How-to Guides

Learn how to layer The Ordinary Vitamin C Suspension 23% + HA Spheres 2% in your morning routine to avoid stinging and maximize brightening results.

Quick answer

To use The Ordinary Vitamin C Suspension 23% + HA Spheres 2% without irritation, apply it after water-based serums and before moisturizer, starting with every other day use and always following with sunscreen.

Why this formula can feel tingly

The Ordinary Vitamin C Suspension 23% + HA Spheres 2% delivers a high concentration of pure L-Ascorbic Acid in a water-free suspension. The lack of water helps keep the vitamin C stable, but the low pH and direct contact with skin can cause a temporary warming or tingling sensation, especially if your barrier is compromised or you use it too often too soon.

Who should be extra cautious

If you have sensitive, reactive skin or are new to vitamin C, this potent suspension may feel intense. The HA spheres add surface hydration but do not buffer the acidity. Consider starting with a lower concentration or a derivative like Ascorbyl Glucoside if stinging persists after the adjustment period.

Morning layering steps for Vitamin C Suspension 23%

Step 1: Cleanse and pat dry: Start with a gentle water-soluble cleanser on dry skin. Rinse and gently pat your face dry — do not leave skin damp, as water can make the suspension feel grainier and less spreadable.
Step 2: Apply a water-based serum (optional): If your skin tolerates it, you can apply a hydrating serum like Hyaluronic Acid 2% + B5 before the vitamin C. This adds a buffer layer. Wait 30–60 seconds for it to absorb. Common mistake: applying on soaking-wet skin, which dilutes the suspension and increases irritation. If you skip this step, make sure skin is fully dry before applying the suspension.
Step 3: Apply a pea-sized amount of Vitamin C Suspension 23%: Squeeze a small amount onto your fingertip and dot across your forehead, cheeks, chin, and nose. Gently spread in a thin, even layer. Avoid the eye area and any broken skin. You may feel a slight tingle — that is normal. If it stings sharply, rinse off and try again after a barrier-support product. Use only every other day for the first two weeks, then increase to daily if no irritation.
Step 4: Wait 1–2 minutes before the next layer: Let the suspension settle so it can absorb partially. This prevents pilling when you apply moisturizer. A common checkpoint: if you see white streaks or clumps, you are using too much product or not waiting long enough.
Step 5: Apply moisturizer: Use a simple, non-acidic moisturizer to seal in hydration and support the skin barrier. This step helps reduce any residual tingling and keeps the HA spheres working effectively.
Step 6: Finish with SPF 30+ sunscreen: Vitamin C makes your skin more sensitive to UV, so sunscreen is non-negotiable. Apply a broad-spectrum SPF 30 or higher as the final morning step. Common mistake: skipping sunscreen because it is cloudy or you are indoors — UV still reaches you through windows. Reapply sunscreen every two hours if you are outdoors or near windows.

Product spotlight

Vitamin C Suspension 23% + HA Spheres 2%: Formulated with 23% pure Vitamin C suspension for skin brightening and contains 2% Hyaluronic Acid spheres to support surface hydration. The high vitamin C concentration targets dullness and uneven tone, while the HA spheres help counter dryness that can come with strong actives.
Vitamin C Suspension 23% + HA Spheres 2%