An In-Home Usage Test (IHUT) is a consumer intelligence methodology in which participants receive a product and use it within their natural home environment over a defined period, then report on their experience through interviews, surveys, or diaries. Because the context is real rather than simulated, IHUTs surface genuine usage patterns, unmet needs, and emotional responses that controlled settings tend to suppress. In qualitative research, IHUTs are particularly valuable for CPG, FMCG, beauty, and food and beverage categories where routine, habit, and sensory experience drive purchase decisions. When paired with in-depth qualitative follow-up, IHUT findings give insights teams the behavioral evidence and consumer language needed to inform product development, packaging, and positioning with confidence.