Add Glycerine to Conditioner: If your conditioner does not already have glycerin in it, you can add glycerin to the bottle. Apply enough conditioner to cover all hair strands and leave on for at least 5 minutes before washing out. Taken rectally, glycerol functions as a laxative by irritating the anal mucosa and inducing a hyperosmotic effect, [23] expanding the colon by drawing water into it to induce peristalsis resulting in evacuation. [24] It may be administered undiluted either as a suppository or as a small-volume (2–10ml) enema. Alternatively, it may be administered in a dilute solution, such as 5%, as a high-volume enema. [25]

Hudgens, R. Douglas; Hercamp, Richard D.; Francis, Jaime; Nyman, Dan A.; Bartoli, Yolanda (2007). "An Evaluation of Glycerin (Glycerol) as a Heavy Duty Engine Antifreeze/Coolant Base". SAE Technical Paper Series. Vol.1. doi: 10.4271/2007-01-4000. Glycerin Enema". Drugs.com. Archived from the original on 6 November 2012 . Retrieved 17 November 2012. Watanabe, Masaru; Iida, Toru; Aizawa, Yuichi; Aida, Taku M.; Inomata, Hiroshi (2007). "Acrolein synthesis from glycerol in hot-compressed water". Bioresource Technology. 98 (6): 1285–1290. doi: 10.1016/j.biortech.2006.05.007. PMID 16797980. Glycerin and vegetable glycerin are very similar, and sometimes they are the same thing. It depends on whether the glycerin is made from animal-based products.

So, while the two substances are essentially the same thing, they cannot be used instead of each other. Can You Use Baby Oil Instead of Glycerin? Melero, Juan A.; Van Grieken, Rafael; Morales, Gabriel; Paniagua, Marta (2007). "Acidic mesoporous silica for the acetylation of glycerol: Synthesis of bioadditives to petrol fuel". Energy & Fuels. 21 (3): 1782–1791. doi: 10.1021/ef060647q. For the face, glycerine is a gentle yet powerful hydrator. It aids in strengthening the skin's moisture barrier, making it more resilient to environmental stressors. Its hydrating properties help to plump the skin, reducing the appearance of fine lines and wrinkles, and offering a smoother, more youthful complexion. Abdullah, Anas; Zuhairi Abdullah, Ahmad; Ahmed, Mukhtar; Khan, Junaid; Shahadat, Mohammad; Umar, Khalid; Alim, Md Abdul (March 2022). "A review on recent developments and progress in sustainable acrolein production through catalytic dehydration of bio-renewable glycerol". Journal of Cleaner Production. 341: 130876. doi: 10.1016/j.jclepro.2022.130876. S2CID 246853148. No, using glycerine for the face will not make the skin darker. Glycerine is neither a lightening agent that helps with face whitening nor does it further darken the skin. It can help with de-tanning a person’s skin.

As glycerin has a laxative effect, people can use it to relieve constipation. When a person administers glycerin rectally, it helps to lubricate the rectum and soften stools. It draws water towards the hardened stool and helps the bowel muscles to contract more effectively. Athletic performanceChoudhary, V, et al. (2021). Glycerol improves skin lesion development in the imiquimod mouse model of psoriasis: Experimental confirmation of anecdotal reports from patients with psoriasis.