BAKUCHIOL - NexTrol® BAKUCHIOL S CE

INTRODUCTION

Bakuchiol is a naturally occurring meroterpenoid compound primarily isolated from the seeds and leaves of the babchi plant (Psoralea corylifolia L., synonym Cullen corylifolium), which belongs to the Fabaceae family. The ingredient has long been used in traditional Indian and Chinese medicine to support the management of various skin conditions, including vitiligo, dermatitis, and microbial infections. In recent years, bakuchiol has attracted considerable attention in the cosmetics industry due to its diverse biological activities and potential skincare applications.

Although bakuchiol is not a retinoid and is structurally distinct from vitamin A, studies have shown that it can regulate several retinol-responsive genes involved in keratinocyte differentiation, collagen synthesis, and extracellular matrix remodeling. Through these effects, bakuchiol may improve visible signs of skin aging while generally demonstrating better skin tolerability, with a lower tendency to cause irritation, peeling, and dryness than retinol. 

Supported by experimental research and clinical studies, along with its favorable skin tolerability, bakuchiol is now considered one of the most promising naturally derived active ingredients in modern skincare products.

KEY BENEFITS

Antioxidant Activity

Antioxidant activity is one of the most notable biological properties of bakuchiol. The ingredient can neutralize free radicals, reduce oxidative stress, and inhibit lipid peroxidation in skin cells. Through these activities, bakuchiol helps protect skin components against damage caused by oxidative stressors [1].

Anti-Aging and Wrinkle-Reducing Activity

Bakuchiol exhibits retinol-like activity by stimulating the synthesis of type I and type VII collagen, increasing fibronectin expression, promoting epidermal renewal, and limiting extracellular matrix degradation.

These activities help improve visible signs of skin aging by reducing wrinkles, enhancing firmness and elasticity, decreasing skin roughness, and improving the appearance of photoaged skin over time. A notable advantage of bakuchiol is its favorable skin tolerability, without inducing the inflammatory and irritation-associated gene responses commonly observed with retinol use [1][2].

Anti-Inflammatory and Skin-Soothing Activity

Bakuchiol can modulate inflammatory responses by regulating pro-inflammatory cytokines such as TNF-α and IL-6, as well as signaling pathways involved in inflammation. This activity may help limit tissue damage, reduce visible skin redness, and support the recovery of the skin barrier [1].

Antimicrobial Activity

Bakuchiol exhibits relatively broad-spectrum antimicrobial activity against various microorganisms, including Streptococcus mutans, Streptococcus sanguinis, Actinomyces viscosus, and other bacterial species.

This activity suggests its potential use in personal care products. When combined with its anti-inflammatory properties, bakuchiol may also help maintain a balanced microbial environment on the skin [3].

COSMETIC APPLICATIONS

In cosmetic formulations, bakuchiol can be incorporated into:

• Anti-aging serums
• Wrinkle-reducing creams
• Brightening and pigmentation-correcting serums
• Skin-repair and renewal creams
• Cosmetics formulated for sensitive skin
• Products supporting the care of acne-prone skin

REFERENCES

[1] Bluemke, A., Ring, A. P., Immeyer, J., Hoff, A., Eisenberg, T., Gerwat, W., Meyer, F., Breitkreutz, S., Klinger, L. M., Brandner, J. M., Sandig, G., Seifert, M., Segger, D., Rippke, F., & Schweiger, D. (2022). Multidirectional activity of bakuchiol against cellular mechanisms of facial ageing: Experimental evidence for a holistic treatment approach. International Journal of Cosmetic Science, 44(3), 377–393.

[2] Chaudhuri, R., & Bojanowski, K. (2014). Bakuchiol: A retinol-like functional compound revealed by gene expression profiling and clinically proven to have anti-aging effects. International Journal of Cosmetic Science, 36. 

[3] Katsura, H., Tsukiyama, R. I., Suzuki, A., & Kobayashi, M. (2001). In vitro antimicrobial activities of bakuchiol against oral microorganisms. Antimicrobial Agents and Chemotherapy, 45(11), 3009–3013.