Yōhen Glaze — What It Means Yōhen glaze refers to a glaze effect in ceramics where the color and surface appearance vary unpredictably during firing due to the conditions inside the kiln — such as flame, temperature, atmosphere, and interactions between the glaze and clay body. This produces organic and unique variations in color, texture, and sheen across each piece. Each item fired with a yōhen effect will look different, with subtle blending or mottling of hues that cannot be exactly duplicated. In ceramic terminology, glaze itself is a glass-like coating applied to a ceramic surface to make it waterproof, add durability, and contribute to surface color and finish. The final appearance of any glaze depends not just on the materials but on the specific kiln environment during firing — which is especially evident in yōhen glazes. The charm of yōhen is that it embraces natural variation and surprise — rather than a uniform or predictable finish — giving each object a one-of-a-kind surface aesthetic that collectors and enthusiasts often prize for its depth and subtle color transitions. Hasegawa Hakuhō — About the Maker Hasegawa Hakuhō is a Japanese ceramic artist known for producing handcrafted works marked with his name or kiln mark across various vessels including vases, tea bowls, and decorative items. Works attributed to him are commonly found in listings and collections of traditional Japanese ceramics such as porcelain and pottery. Although detailed biographical information is limited in major art references, pieces signed by Hasegawa Hakuhō on antique and contemporary marketplaces often indicate that he was a studio-based potter with experience and reputation within Japanese ceramics circles. Some of his works are described as exhibiting quality finishing and artistic surface treatments, and some listings highlight awards or purchases by esteemed institutions or collectors, suggesting recognition among craft enthusiasts. Ceramics signed by an individual maker like Hasegawa Hakuhō carry personal artistic value beyond factory production — each piece reflects the maker’s hand, choice of glazes, and kiln technique. When combined with a yōhen glaze treatment, the maker’s signature suggests that the artist intentionally used specific firing methods to achieve those distinctive yōhen effects. Putting It Together — What It Means for a Vase A vase described as having a yōhen glaze means the surface finish contains natural kiln-influenced variation — colors and textures that shifted and blended during firing rather than appearing uniform. The unpredictable and organic surface qualities make each piece visually unique, appreciated for its natural artistry rather than mechanical consistency. When such a glaze is applied by an artist like Hasegawa Hakuhō, the piece gains personal artistic identity — the maker’s choices in clay, glaze composition, and firing strategy shape the aesthetic outcome. Paired with an original wooden box and the artist’s mark, it becomes a collectible work valued for both craftsmanship and expressive surface character. Shipping from Japan with Tracking Number & Insurance. I promise fast shipping via FedEx or DHL as soon as possible! Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.