Combining vitamin C and bakuchiol: the method

This is the gentlest anti-aging combination there is. Vitamin C neutralizes free radicals and works on radiance; bakuchiol acts on wrinkles and texture without the irritation imposed by retinol. Neither requires an adaptation period.

The essentials

• Order: Vitamin C first, then bakuchiol.
• Concentrations: 10 to 15% vitamin C, 0.5 to 2% bakuchiol.
• Time: The same morning, or separated morning and evening.
• Tolerance: Excellent, including on sensitive skin.
• Timeline: 2 to 3 months to assess.

Why this combination works

Both active ingredients cover the two mechanisms of visible skin aging. Vitamin C tackles the external cause — oxidative stress caused by radiation and pollution. Bakuchiol acts on the consequences — wrinkles, fine lines, uneven texture.

Both also play a role in collagen synthesis, through different pathways. It's this dual effect that makes this combination more interesting than each taken in isolation.

What is bakuchiol

A compound extracted from the seeds of Psoralea corylifolia. It is studied as a plant-based alternative to retinol, with similar results on wrinkles and significantly superior tolerance.

It causes neither initial flaking nor photosensitization, which allows for morning use — impossible with a retinoid. It is this flexibility that makes the combination with vitamin C so simple.

Order of application

Vitamin C is water-soluble, bakuchiol is fat-soluble and often presented in an oily base. Water-based therefore comes before oil-based, as always.

1. Gentle cleansing.

2. Vitamin C serum on clean skin, a few drops.

3. Wait one minute.

4. Bakuchiol, as a serum or oil.

5. A cream, then sun protection in the morning.

Same time or separate times?

Both work. The same morning is faster and perfectly tolerated by most skin types.

Separated — vitamin C in the morning, bakuchiol in the evening — is clearer: you can judge the effect of each, and any potential reaction can be attributed unambiguously. This is the option I recommend for the first two months.

Useful concentrations

For vitamin C, 10 to 15% ascorbic acid. Below that, the effect is weak; above that, irritation increases with no demonstrated gain. Stabilized derivatives are used at different concentrations and act more slowly.

For bakuchiol, 0.5 to 2% is sufficient. A formula that displays more does not perform better.

On sensitive skin

This is the clearest indication for this combination. It offers real anti-aging benefits without the period of irritation that discourages so many people from using retinol.

If your skin stings with ascorbic acid, switch to a stabilized derivative. Bakuchiol, on the other hand, almost never causes problems.

What to expect, and when

Skin radiance is noticeable in four to six weeks, thanks to vitamin C. Spots require two to three months.

Texture and fine lines, which fall under bakuchiol, also require two to three months. This is slower than a well-tolerated retinol, and much faster than a retinol abandoned after three weeks.

Sun protection, without which nothing holds up

An antioxidant routine without sun protection is a contradiction: one seeks to limit oxidative damage while allowing its primary cause to act freely.

This is particularly true for spots, which darken with the slightest radiation. In the morning, always finish with sun care.

Storing your products

Vitamin C fears light and air: opaque bottle, pump, small volumes. A serum that has turned orange should be replaced.

Bakuchiol is much more stable and does not require any particular precautions, beyond usual common sense.

Limitations

This routine is cosmetic and improves the appearance of the skin, without treating any condition. In case of doubt during pregnancy or breastfeeding, consult a healthcare professional.

The schedule is enough

Bakuchiol is applied in the evening, vitamin C in the morning: this way, the question of their compatibility no longer arises at all. A radiance serum concentrated with vitamin C upon waking, under sun protection, leaves the evening entirely to bakuchiol.