https://www.careers360.com/courses/cosmetics-technology-course Here's how you can combine the two:

Home Science as a Base:

Nutrition and Diet: Understanding of nutrition can enable you to prepare healthy and balanced diets, which is an absolute necessity for general beauty and well-being.
Personal Hygiene and Health: Home Science teaches about hygiene practices, which are essential in the beauty and cosmetology industry.
Textile Science: Awareness of fabrics and textiles can be useful in knowing the types of materials used in garments and accessories.
Cosmetology as a Specialization:

Beauty Treatments: You could specialise in various beauty treatments like facials, manicures, pedicures, hair dressing, and makeup.
Product Knowledge: Familiarity with cosmetics, ingredients, and formulations will help you give the best recommendations and services to your clients.
Business Management: Business management and entrepreneurship is a good knowledge to build an independent salon and spa venture.
Career Opportunities:

Beauty Salon Owner or Manager: You could have your own salon or manage one.
Freelance Makeup Artist or Hairstylist: Be hired as a freelance professional for events, weddings, or photoshoots. Cosmetologist: Offer diverse beauty services like skin care, hair care, or makeup. Product Consultant: Work for cosmetic companies advising people on which products to use and how to use them. Beauty Educator: Educate the learners at schools, colleges, or institutes for beauty and cosmetology courses.
Synthesize Home Science and Cosmetology for a creative career step that involves all the skills and interests you have developed.

Yes, you study cosmetology in home science department.  Cosmetology courses are mainly focused on skin care and physical appearance. To be eligible for cosmetology, candidates must have passed class 12th with PCB. Admission to cosmetology courses is mainly merit based. You can pursue diploma and certificate, UG and PG courses in cosmetology. For more information,you can click Cosmetic technology .