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China Surfactant Detergent & Cosmetics ›› 2026, Vol. 56 ›› Issue (10): 1392-1402.doi: 10.3969/j.issn.2097-2806.2026.10.012

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Mechanisms and research advances in olfactory intervention for sleep promotion

Yuhuan Yan1,Lin Lv1,Meina Wu1,Rui Yang1,Guoqiang Cai1,2,Meilin He1,*()   

  1. 1 NICE (Zhejiang) Technology Group Co., Ltd., Hangzhou, Zhejiang 310051, China
    2 NICE Plant-Based New Materials and Ecological Products Key Enterprise Research Institute of Zhejiang Province, Lishui, Zhejiang 323000, China
  • Received:2025-12-29 Revised:2026-09-21 Online:2026-10-22 Published:2026-10-30
  • Contact: E-mail: hml@cnnice.com

Abstract:

Insomnia has become a prominent issue in contemporary society, posing a significant public health challenge to human physical and mental health. Olfactory inhalation, as a convenient, efficient, and safe non-pharmacological intervention strategy, exhibits broad application prospects in improving sleep health. Systematically reviewing research on olfactory inhalation for sleep promotion is of great importance for the development of effective, stable, and safe somnogenic products. This review comprehensively summarizes the research progress from three dimensions: mechanisms of action, evaluation methods, and bioactive ingredients. Through an analysis of fragrance characteristics and sedative properties, a “Sleep-aid Fragrance Wheel” encompassing floral, woody, aromatic, and citrus notes is constructed, providing a scientific classification framework for the fragrance selection and formulation design of personalized sleep-promoting products. Furthermore, the sedative profiles and action targets of single natural essential oils are explained, the synergistic advantages of compound essential oils with the characteristics of “multi-component, multi-target and multi-pathway” are analyzed, and the technical advantages of developing standardized synthetic fragrances based on natural essential oils are discussed. By synthesizing this multidimensional evidence with the proposed fragrance classification system, this review provides a theoretical foundation for the design of efficient, stable, and personalized somnogenic products, thereby promoting the scientific application of olfactory regulation in sleep health management.

Key words: olfactory intervention, sleep-aid, natural essential oils, synthetic fragrances

CLC Number: 

  • TQ658