Can you increase ceramide with food? Yes, you can.

Ceramide is essential for moisturizing and regulating the skin's barrier function.

Ceramide has an essential influence on skin moisturizing. It is a lipid component that makes the outermost layer of the skin, called the stratum corneum, and plays a vital role as a barrier against moisture evaporation from the body and intrusion of foreign bodies from the outside. Conversely, a lack of ceramide weakens the barrier function, making skin sensitive to external irritants and dry.
In beauty, dry skin is a major enemy; one reason is the deterioration of the skin's barrier function or ceramide deficiency. Therefore, it is necessary to supply ceramide from the inside and outside to maintain healthy skin. Ceramide decreases with age, and its continuous intake is also essential.
Dry air, ultraviolet rays, stress, and aging can cause skin to lose its ability to retain moisture. As a result, dry skin, rough skin, fine wrinkles, and atopic dermatitis. Ceramide supplementation is necessary toCeramide supplementation is necessary to protect the skin from such internal and external irritants.
Foods containing ceramide include rice, konjac, and milk, but it is difficult to consume sufficient amounts of ceramide from ordinary meals, and it is adequate to consume ceramide from supplements. For example, when rice, the staple food of the Japanese, is polished, the rice bran, which initially contains a large amount of ceramide, is removed. Therefore, from a beauty point of view, eating rice continuously is insufficient to consume an adequate amount of ceramide.
PHYTOCERA is a glucosylceramide derived from rice. It is not a recycled but an upcycled material that utilizes the rice bran shaved off when milled. PHYTOCERA is the first plant-derived ceramide confirmed to increase the amount of human skin ceramide when taken orally.

Safety is considered important as a food material. PHYTOCERA is made from edible Japanese rice, which proves that its strict safety standards make standards and can be said to be the highest-safety-level product. PHYTOCERA uses only rice grown in Japan.
Disclaimer: i am not a dietician just simply shared the study I am researching.