What Is Bakuchiol? A Plant Alternative to Retinol?

What bakuchiol is: A plant compound found in the seeds and leaves of Psoralea corylifolia, which is structurally unlike retinol but acts on similar genes in the laboratory. In one comparison it produced similar results for wrinkles and spots to retinol, with less stinging and peeling. But since this study had 44 people over 12 weeks, it is too early to say it replaces retinol. It has also not been shown to be safe in pregnancy, so consulting your doctor is needed.

Side by side with retinol: What is the same, what is different?

The phrase "plant-based retinol" sounds appealing, but bakuchiol is neither retinol nor a vitamin A derivative. Their structures are different; the similarity appears only in some biological effects.

You can find retinol's own schedule and frequency in the retinol usage guide, and its basic properties in the retinol ingredient page.

What did that 44-person study say, and what did it not say?

Almost all bakuchiol promotions rely on the same study. Randomized and double-blind, 44 people used either 0,5% bakuchiol twice a day or 0,5% retinol once a day for 12 weeks. The wrinkle area and spots decreased in both groups, with no statistical difference between them. Flaking and stinging were reported more often in the retinol group.

This is a good first data point. But it does not show the following:

• "No difference" does not mean "equal." In a 44-person study, it is hard to catch a small or moderate difference. Equivalence requires much larger studies.
• High retinol ratio. 0,5% retinol is a strong ratio for someone just starting. With a lower-ratio retinol, the irritation difference may not be the same.
• Different frequency of use. Bakuchiol was applied twice, retinol once. For comfortable use, this distinction matters.
• Short duration. While there is long-term data for retinol, for bakuchiol there are no adequate studies beyond 12 weeks.
• A single study. We do not yet know whether the same result has been repeated in an independent and larger group.

Other evidence also calls for caution. The first study showing a retinol-like gene effect was done in a skin model; its clinical part is a case study without a control group, and one of the authors comes from a company that produces cosmetic raw materials. In a recent placebo-controlled study of 80 men, bakuchiol was used together with genistein and vitamins. A limited improvement in tone and cheek brightness was seen, and in many measurements including wrinkles there was no significant difference between groups. Since it is a multi-ingredient formula, the share of bakuchiol also cannot be separated.

What is bakuchiol, and for whom is it a reasonable alternative?

The practical question is: which situation are you in? The table below is not a list of recommendations, but a way of thinking.

If you want to rebuild your routine as your age advances, the skin care after 40 article explains in what order these ingredients should be considered. For another ingredient claimed to have a signaling effect, you can also see the peptide article.

Spots, acne and other claims

Bakuchiol promotions contain many claims beyond aging. Of the 30 articles included in the systematic review dated 2022, 16 are preclinical and only 7 are clinical studies. This ratio is a good measure when reading such claims.

• Spots: In the comparison, spots decreased in both groups. Since bakuchiol was used together with other agents in some studies, its own share is not clear.
• Acne: Reductions in severity have been reported in small studies, mostly with multi-ingredient formulas. It is not at a level to be recommended as a first choice.
• Collagen: An increase in collagen production has been shown in skin models and fibroblast cells. There is no strong study directly measuring this in human skin.
• Psoriasis, cancer: These headings come from cell studies. None of them means a cosmetic product works for these diseases. If you have the condition, do not substitute it for your own treatment.

Is it really gentler on sensitive skin?

The findings we have point in that direction, but the word "gentle" alone does not mean safety.

• Positive side: In comparison, less stinging and peeling was seen than in the retinol group. In a 28-day study of 34 people with sensitive skin, redness and water loss decreased after a serum containing bakuchiol and a plant extract.
• Limit: This second study uses a multi-ingredient formula and is very short. There is no large study testing bakuchiol alone on sensitive skin.
• Allergy: The systematic review dated 2022 reports one contact dermatitis case, and a new case report published in 2026 also exists. The number is small, but as the ingredient becomes more widespread, keep in mind that this picture may change.

If you have rosacea, eczema or constantly stinging skin, first clarify the problem. Adding a new active before the barrier recovers often makes things harder. The articles sensitive skin care and skin barrier are a more appropriate starting point for this period.

Bakuchiol is not the same as bakuchi oil

Psoralea corylifolia seed is a plant with traditional use that contains hundreds of components. The seed also carries substances such as psoralen that can cause light sensitivity; that is where its association with vitiligo treatment comes from. Bakuchiol, however, is a single component isolated from this plant. That is why the two should not be confused.

• Label: If "Bakuchiol" is written on the list, the ingredient is purified. If "Psoralea Corylifolia Seed Oil" or "Extract" is written, it is closer to raw oil or extract.
• Raw oil: Do not try applying raw seed oil at home. Regarding light sensitivity and safety risk, it cannot be evaluated the same way as a purified ingredient.
• Oral use: Liver harm related to oral use of this plant is debated. This article covers only cosmetic products applied to the skin. If you are considering a supplement, ask your doctor first.

How is bakuchiol used?

The studied ratio was 0,5%, and the studied frequency was twice a day. There is no standard protocol; the steps below are a starting point derived from this study and general caution rules.

1. Test. Apply twice a day on the inner arm or elbow crease and continue this trial for 7-10 days. Stop if redness, itching or swelling occurs.
2. Read the ratio. If there is no ratio on the label, you cannot know whether the product is at the level of the studies. A product that gives its ratio makes comparison easier. There is no basis for expecting the same result from products below the studied ratio.
3. Apply a thin layer to clean skin. Start in the evening; if your skin is comfortable, add it in the morning too. Be careful around the eye area and mouth corners.
4. Apply moisturizer on top. If it causes dryness, reduce the frequency, not the amount.
5. Apply morning sunscreen. Choose a broad-spectrum product with at least SPF 30, and reapply every 2 hours and after sweating or swimming. It is difficult to expect results from an anti-aging routine without sun protection; the right amount is also important.
6. Be patient. Most anti-aging products need at least 6 weeks to show an effect. Since the measurement period of the available studies is 12 weeks, make your decision close to this period.

There is no solid data on using it at the same time as retinol or combining it with acids. Do not start new products at the same time; if a reaction occurs, you will not know what caused it. Since the study applied it twice a day, morning use is also consistent with this data, but this is not a reason to skip sunscreen. Since no separate safety data for the eye area is known, do not extend the product there.

Pregnancy, breastfeeding and hormone sensitivity

This is the point most often confused. Since bakuchiol is not a retinoid, it is often mentioned as "used in place of retinol during pregnancy." But this inference is not supported by evidence. There are no controlled safety studies in pregnant women. Retinoids are not used during pregnancy and breastfeeding; consult a doctor. For bakuchiol too, the decision belongs to your doctor.

• Laboratory finding: In cell studies, bakuchiol has been reported to interact with estrogen receptors. What this means in a product applied to the skin is not known.
• Hormone-sensitive disease: If you have a history of breast cancer or a treatment that uses hormones, show the product to your doctor.
• "Herbal" label: That a product is of natural origin alone does not provide safety in pregnancy.

When should you stop care and see a doctor?

• Stop use if there is burning, swelling or widespread redness; if it does not go away, consult a doctor.
• If an itchy rash appears on the eyelid, it may be an allergy; ask a dermatologist about a patch test.
• Do not monitor a spot whose color, border or size changes with a care product; get an examination.
• If you are not satisfied with the result after 12 weeks, see a dermatologist to discuss prescription options. The dose and suitability are determined by the doctor.