Kwao Krua Kao Explained: Thailand's Traditional "White Kwao Krua" Herb

Kwao Krua Kao is the Thai name for the plant known internationally as *Pueraria Mirifica* — but the Thai name carries more context than the Latin one. It places the plant within a family of three related "Kwao Krua" herbs, each with a different traditional role, and it points to a specific variety that Thai herbalists have prepared for generations. If you've read our guide to Pueraria Mirifica, this article goes a step further into the Thai naming and tradition behind it.

What Does "Kwao Krua" Mean?

"Kwao Krua" is an umbrella term in Thai herbal medicine for a group of tuberous, leguminous plants historically used as rejuvenating herbs. It isn't one single plant — it's a category, and Thai tradition has long distinguished between its three main members by color: white, red, and black.

The Three Varieties of Kwao Krua

White Kwao Krua (Kwao Krua Kao) — botanically Pueraria candollei var. mirifica, commonly called Pueraria Mirifica. Thai tradition has used it to support women's health and vitality, owing to the phytoestrogens found in its tuber.

Red Kwao Krua — botanically Butea superba. This variety has traditionally been used in Thailand as a raw material for male vitality and invigoration, rather than the women's-health role associated with the white variety.

Black Kwao Krua — botanically Mucuna collettii. Like red Kwao Krua, the black variety has traditionally been associated with effects on male health rather than female health.

All three share the same broad "rejuvenating herb" reputation in Thai folk medicine, but they are not interchangeable — traditional practice treats them as distinct plants with distinct roles, not variations on the same remedy.

Kwao Krua Kao: The White Variety Behind CANAE's Formulas

CANAE's breast care line is built specifically around Kwao Krua Kao — the white variety — not red or black Kwao Krua. This distinction matters: Thai herbal tradition specifically associates the white variety with women's body-care rituals, which is why it's the botanical foundation of the Breast Serum X5, Natural Breast Cream, and Breast Enhancement Cream Mask. For a closer look at the plant's active compounds and how CANAE uses them, see What Is Pueraria Mirifica?

Why Thai Tradition Treats the Three Varieties Differently

The white, red, and black Kwao Krua plants aren't just botanically distinct — they grow differently, look different, and have been documented separately in Thai herbal practice for the different roles each was believed to serve. This is one reason ingredient sourcing matters: a product labeled simply "Kwao Krua" without specifying the variety leaves out an important piece of context that Thai tradition has always considered essential.

A Rejuvenating Tradition, Nearly a Century Old

Kwao Krua Kao has been used in Thai folk medicine for close to a hundred years, traditionally regarded as a rejuvenating tonic for women. Like many Thai herbal ingredients, it was historically prepared and shared within families — passed from mothers to daughters as part of body-care rituals — long before it was formulated into a modern cosmetic product.

A Protected Piece of Thai Heritage

Kwao Krua Kao's cultural and botanical significance is recognized and protected by the Thai government today. That protected status reflects its place not just as a skincare ingredient, but as a documented part of Thailand's herbal heritage — one Thai tradition has taken care to preserve and distinguish from its red and black relatives.

From Family Kitchens to CANAE's Breast Care Line

CANAE was created to carry this heritage forward for a wider audience, most of whom are encountering Kwao Krua Kao for the first time. That comes with a responsibility to name and describe the ingredient accurately — using its Thai name, Kwao Krua Kao, alongside Pueraria Mirifica, and being clear about which of the three Kwao Krua varieties is actually in the bottle. You can read more about CANAE's approach to ingredient sourcing on the Our Story and Ingredients pages, and see how the ritual comes together in Thai Herbal Skincare: A Natural Beauty Ritual from CANAE.

Frequently Asked Questions

Is Kwao Krua Kao the same as Pueraria Mirifica?

Yes. Kwao Krua Kao is the Thai name for the white variety of Kwao Krua, botanically Pueraria candollei var. mirifica — commonly shortened to Pueraria Mirifica internationally.

What's the difference between white, red, and black Kwao Krua?

White Kwao Krua (Pueraria Mirifica) has traditionally been associated with women's health. Red Kwao Krua (Butea superba) and black Kwao Krua (Mucuna collettii) have traditionally been associated with male vitality. They are three distinct plants, not variations of the same herb.

Which Kwao Krua does CANAE use?

CANAE's breast care collection is formulated with Kwao Krua Kao — the white variety, Pueraria Mirifica — consistent with its traditional use in Thai women's body-care rituals.

Is Kwao Krua Kao safe to use in skincare?

CANAE's Kwao Krua Kao products are formulated as cosmetics for topical use as part of a self-care routine. They are not intended to diagnose, treat, cure, or prevent any condition. Anyone with hormone-sensitive conditions, or who is pregnant or breastfeeding, should consult a doctor before use.

CANAE products are cosmetics formulated to support the appearance of skin as part of a self-care routine. They are not intended to diagnose, treat, cure, or prevent any condition and are not a substitute for medical care. Individual results can vary. See CANAE's [Cosmetic Disclaimer](/disclaimer) for full details.