Sweet Tooth #4 IBL is an inbred line of the original Sweet Tooth #4, categorized as a modern hybrid. Developed through careful selection to stabilize the characteristics of its predecessor, this strain maintains a consistent genetic profile focused on high-performance traits. It is suitable for cultivation in both indoor and outdoor environments, offering a high yield with a flowering time of sixty days and a moderate level of required grower expertise.

The aromatic and flavor profile of Sweet Tooth #4 IBL is defined by a complex sequence of terpenes, led by myrcene, pinene, and nerolidol. This is further supported by secondary and tertiary compounds including beta-pinene, limonene, caryophyllene, linalool, humulene, caryophyllene-oxide, camphene, ocimene, bisabolol, and eucalyptol. These components combine to create the distinct sensory experience characteristic of this specific inbred line.

As a THC-dominant hybrid, Sweet Tooth #4 IBL is known to produce effects that are relaxed, happy, and uplifted. These properties make it a frequent selection for the management of stress, pain, and sleep difficulties. Its stable genetic influence continues to persist in the industry, most notably serving as a parent in the lineage of the offspring strain Pineapple Parfait.