The Ordinary Retinol 0.5% in Squalane — Intermediate Retinol Serum, 1 fl oz, Anti-Aging & Skin-Smoothing

The Ordinary Retinol 0.5% in Squalane is an intermediate-strength, water-free retinol serum formulated to help improve the look of fine lines and uneven skin texture while squalane helps condition and reduce dryness associated with retinol use.

This lightweight, oil-based serum contains 0.5% pure retinol suspended in squalane to deliver a moderate level of retinoid activity without water or heavy emulsifiers. The formula is intended for users who have built tolerance to lower-strength retinols and want a step-up product before moving to higher concentrations. Because it’s water-free, this product is more stable and is recommended to be refrigerated after opening and used within three months for optimal freshness.

How should I introduce The Ordinary Retinol 0.5% in Squalane into my routine?

Start slowly: use the serum once or twice a week at night and increase frequency as your skin adjusts. Avoid combining it with other retinoids; pair it with gentle, non-irritating cleansers and moisturizers.

• Begin with Retinol 0.2% in Squalane if you’re new to retinol, then progress.
• Apply a few drops to dry skin in the evening, after cleansing and before heavier oils or creams.
• Do not use alongside other retinoids or acidic exfoliants to limit irritation.
• Keep usage to nighttime only and always use sunscreen during the day.

What visible effects can I expect and when will I notice them?

Improvements in texture and a smoother appearance of fine lines may become noticeable with consistent use over weeks to months, depending on skin type and routine. Expect gradual, incremental change rather than instant results—patience and proper use are key.

• Texture and tone can become more even with continued application.
• Fine lines may appear softened after several weeks of regular use.
• Occasional dryness or flaking can occur as skin adjusts; squalane helps reduce this.
• Results depend on consistency, sun protection, and avoiding conflicting actives.

Are there safety or storage considerations I should follow?

This is a potent active and should be handled with care: apply at night, avoid concurrent retinoid products, and use daily sun protection while using retinol. The formula should be refrigerated after opening and used within three months for best stability.

• Not for use with other retinoids or prescription retinoic acid.
• Avoid during pregnancy and breastfeeding; consult a healthcare professional if unsure.
• Store in a cool place and refrigerate after opening to preserve potency.
• Always follow with broad-spectrum sunscreen in daytime routines.

How do I layer this serum with other skincare products?

Because this is an oil-soluble retinol in squalane, apply it after water-based serums have absorbed and before heavier creams or facial oils. Keep the rest of your nighttime routine simple to minimize irritation and support skin barrier recovery.

• Cleanse and fully dry skin before applying the serum.
• Layer water-based treatments first, then a few drops of this retinol in squalane.
• Finish with a gentle moisturizer if needed to reduce dryness.
• Avoid strong exfoliants or vitamin C serums on the same night to prevent sensitivity.

Who is this for: The Ordinary Retinol 0.5% in Squalane is targeted at intermediate retinol users who have adapted to lower strengths and want a moderate step-up to address early signs of aging and uneven texture. It’s suitable for people comfortable with nighttime retinoid use, willing to follow sun-protection practices, and ready to manage the short-term dryness that can accompany retinol. If you have sensitive skin, are pregnant or breastfeeding, or are using other retinoids, consider gentler alternatives or consult a professional before use.

Features:

• Moderate-strength retinol (0.5%) in a water-free squalane base.
• Formulated to improve skin texture, tone, and appearance of fine lines.
• Squalane helps condition and counteract dryness associated with retinol.
• Suitable for intermediate retinol users; refrigerate after opening and use within three months.

Ingredients

Squalane, Caprylic/Capric Triglyceride, Simmondsia Chinensis (Jojoba) Seed Oil, Retinol, Solanum Lycopersicum (Tomato) Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Hydroxymethoxyphenyl Decanone, BHT.