The most frequent causes of wrinkled Snake Plant leaves are watering issues. Underwatering, overwatering, and water with added chemicals can all stress the plant and cause the leaves to wrinkle.
Snake Plants are known to be adaptable to various levels of light and are often billed as low-light plants. They are indeed adaptable, but for optimum health, they do best in bright indirect light.
Fertilizer burn happens when too much fertilizer builds up in the soil and draws water out of the roots, leaving them unable to absorb moisture. The plant suffers from dehydration, and the leaves become wrinkled.