Cosmetic products are products that are widely sold on e-commerce. A product, including a cosmetic
product can generate mixed sentiments in the form of customer reviews. Therefore, customer reviews are one
of the most important to be paid attention to. This is because from the customer reviews, it can be known the
level of customer satisfaction about the product that has been purchased. Sentiment analysis is a solution that
can be used to measure customer satisfaction. Sentiment analysis is a text-based research field that is suitable
to discuss the problem of customer satisfaction about the product. The analysis used is based on several aspects
of cosmetic products, namely aroma, packaging, price, and product. In this study, the problem was solved by
analyzing sentiment using the Naïve Bayes and Word2Vec methods. The best model of this research produces
an accuracy of 68.17 % with an accuracy of 56.36 % for product aspects, 70.96 % for price aspects, 68.79 %
for packaging aspects, and 76.57 % for aroma aspects.