How do solvents help physical sunscreens as opposed to chemical sunscreens in formulations?

Q: What are the problems encountered if tablets are under or excessively lubricated?

A:

Q: Read the entire procedure and the recommended safety precautions. you think extra pieces of calcium…

A: Detail explanation of the above question is given below.

Q: a common preservative used in hematology and blood bank

A: Different types of preservatives are used as per the laboratory requirement. Preservatives used in…

Q: What are preservatives?

A:

Q: 11. mention the two side effects of corn oil in your body?

A: The two side effects of Corn oil in our body are

Q: Can you use NutraSweet® for baking purposes? Why or why not?

A: NutraSweet, not recommended for baking purpose

Q: Difference of toothpastes and tooth powders. What are the basic components of toothpaste? A

A:

Q: Explain Chemical Hand Warmers?

A: SOLUTION: Step 1: Hand warmers are small (mostly disposable) packets which are held in the hand and…

Q: What is the history of artificial food colors? What are the importants code to know in artificial…

A: Artificial colors are synthetically obtained from the chemical reactions performed in laboratories.…

Q: Technician A says that detergents keep oil from forming wax deposits under cold temperatures.…

A: Detergents are amphiphilic substances with polar and non polar tails. Detergents are very useful in…

Q: Good work practices include..? a. not washing hands before and after lab O b. smelling and tasting…

A: We have to choose good work practice.

Q: procedure on how the materials should be mixed to produce a lipstick

A: First we have to prepare pigmented mass for lipstick.

Q: What three areas are affected by an "irritant"? (refer to ACS Safety in the Academic Chemistry…

A: An irritant is a chemical that causes damage to sensitive parts of the body like eye, skin and…

Q: Why are polymers are crucial for making huge bubbles?

A:

Q: What type of Cosmetic Product is the below. Describe it in any manner and please identify the…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: The following are desirable properties of topical protectives EXCEPT O Large particle size Difficult…

A: No any properties are correctly explaining the properties of topical protectives.

Q: (c) Most toothpastes are fluorinated and kitchen salt is iodinated. State the importance of (i)…

A: Fluorinating tooth paste :   Fluoride is commonly used in dentistry to strengthen enamel, which is…

Q: Discuss the use of chemical preservatives in food.

A: The substances which are added in to foods, beverages, biological samples, drugs and many other…

Q: On red peeling face, what should we apply skin care to relieve it? Can we use cream that contain…

A: For red peeling skin one can do these : Apply cortisone cream such as hydrocortisone, may help…

Q: Suppose the heat of neutralization had been determined using a glass beaker instead of a polystyrene…

A: Heat of neutralisation is the enthalpy change when 1 equivalent of an acid reacts with one…

Q: How much water is required to raise the moisture content of 100 kg of a material from 30% to 75%

A:

Q: Can provide a protective effect against UV is a quality characteristic of cosmetics on the side….…

A: Option C is correct.

Q: Discuss the cleaning process of soaps and detergents. What is biodegradability as applied to soaps…

A: The cleansing action of soaps and detergents follows the same principle. Soaps and detergents…

Q: Why do we need to cover the beaker with aluminum foil or saran wrap

A:

Q: Which glass can cut off ultraviolet rays?

A: Glass is an amorphous solid. It is transparent in nature. There are many types of glasses and have…

Q: For embalming purposes, phenol has the properties of preserving, disinfecting, and ___ .…

A: Embalming is the process of treatment of dead bodies or organs so to preserve it by protecting and…

Q: Explain Sunscreens ?

A: Sunscreen includes active ingredients that help prevent the sun's UV radiation from reaching your…

Q: bleach

A: In this question we have to explain that the difference between a bleach safe for white clothes and…

Q: What are oil in water emulsions ? Give examples from daily life

A: Oil in water emulsion means,

Q: Give the chemical structure and ingredients used in Mr. Cleam Multi purpose Cleaner.

A: We need to specify the chemical structure and ingredients used in Mr. Clean multi purpose cleaner.

Q: Do we need to re-apply physical sunscreen every 2 hours like chemical sunscreen? Should we use…

A: Yes one should apply physical sunscreen after 2 hours especially when they are outside that means…

Q: Which statement about detecting temperature is TRUE?   Nociceptors detect small changes in…

A: Incorrect options are : 1.)    Nociceptors detect small changes in temperature.    Reason :it…

Q: How does sugar preserve food materials? Is it a better preservative than salt? Why or why not?

A: Please find your solution below : In food materials, sugar helps to preserve the colour, texture and…

Q: I need help with those

A: Given: Some of reactions are given  To find: Molecularity and rate expression for the given reaction…

Q: Define bleaching

A: Definition of bleaching has to be given.

Q: Define the following terms: j. Foundation and vanishing Cream k. Night and massage cream o.…

A: The terms define below.

Q: Ultraviolet light produces suntans and sunburns.

A:

Q: What should you know about household cleaning products?

A:

Q: If Jotaro Kujo measured the amount of current that passes through a sample to measure the amount of…

A: Volumetric method is used to determine the the amount of substance by measuring the volume of…

Q: What are the roles of polymers in Cosmetics? Give at least 2 examples in each role.

A: Polymers are widely used in the cosmetics industry. Some of the major uses are  1) conditioners 2)…

Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.