香りの科学

How Do Deodorants Compare on Bacterial Counts and Odor? A PQ-16 Study

A PQ-16 formulation had lower odor scores than one commercial alcohol-based product at 24 and 48 hours, but no significant odor-score difference from an ACH formulation.

2026.10.20

香りの科学

Asparagus Urine Odor: Not Producing It and Not Smelling It Are Different

A cross-testing study distinguished individual differences in producing detectable asparagus-related urine odor from differences in perceiving it, with a genetic link to perception.

2026.10.20

香りの科学

Can a Different Fragrance Make the Same Fabric Feel Softer?

Two experiments found softer fabric ratings with lemon or lavender than with an animal-like odor. Pleasant fragrance did not significantly outperform no fragrance.

2026.10.20

香りの科学

Do More Odor Precursors Mean Stronger Underarm Odor? The Role of Bacteria

In a study of 24 people, measured sweat precursors did not directly track odor intensity. Detailed bacterial profiles in 11 nonusers of antiperspirants showed associations.

2026.10.20

香りの科学

Can Black Pepper Aroma Change the Body’s Response During Mental Arithmetic?

A study of 20 young men found smaller changes in some physiological measures during arithmetic with black pepper aroma. Results depended on the measure and comparator.

2026.10.20

香りの科学

Does Knowing a Smell Change How You Feel? A 772-Person Study

Across Geneva, Liverpool, and Singapore, odor familiarity and identification were associated with pleasantness and odor-specific feelings, without establishing causation.

2026.10.20

香りの科学

Why Can Washed and Dried Towels Still Smell?

Researchers identified Moraxella osloensis as a producer of a key laundry-malodor compound and tested its survival on fabrics.

2026.10.20

香りの科学

Do Friends Who Click Have Similar Body Odors?

A study of same-sex friends and strangers linked body-odor similarity to connection, but its 71% classification result was internal validation, not a forecast of future friendship.

2026.10.20

香りの科学

Does Shaving Help Washing Reduce Underarm Odor?

In 30 men, shaving and waxing improved immediate odor reduction after soap washing. Longer-lasting benefits were less clear.

2026.10.20

香りの科学

Eucalyptus Notes in Kiwifruit: Tracing the Genes Behind the Aroma

Sensory tests and genetic and biochemical experiments linked 1,8-cineole to eucalyptus-like notes and identified AcTPS1b as a key kiwifruit enzyme gene.

2026.10.20

香りの科学