A compound hair essential oil and shampoo are disclosed, the compound hair essential oil and the shampoo contain the following ingredients in volume percentage: lemon grass oil 10-40%, peppermint oil10-40%, rosemary oil 20-60%, ginger essential oil 10-60%. The invention, with reasonable ratio of ingredients, produces a compound shampoo essential oil and its derivatives suitable for hair loss prevention moreover, through the synergistic effect of all ingredients and the effectiveness of each ingredient, the respective effectiveness is further enhanced for achieving an unimaginable effect. The product according to the present invention is mild in odor and does not irritate and is capable of soothing mood and alleviating stress, thus, providing both the physiological and psychological effects allowing users to relax while shampooing to thereby further enhancing the effectiveness of the product of this inventiond.一種複方洗髮精油及洗髮乳,所述複方洗髮精油及洗髮乳包含有下列體積百分比的成分:檸檬草精油10-40%、歐薄荷精油10-40%、迷迭香精油20-60%、薑精油10-60%。本發明通過合理的配比,製得適用於防治脫髮的複方洗髮精油及其衍生產品,再利用各成分本身效用的同時發揮出協同作用,提升了各自的功效,起到了超乎想像的效果;本發明的產品氣味溫和不刺激,具有舒緩情緒、緩解壓力的作用,讓使用者在洗髮時放鬆心情,從而在生理和心理兩個層面上起作用,更加乘了本發明產品的效果。