Grade Level: 7th - 8th; Type: Chemistry
To test a select number of products which are claimed to reduce wrinkles and determine which is the most effective in reducing the number of wrinkles.
- What is the purpose of our skin?
- What is the function of the epidermis?
- What is the function of pores?
- How do sweat glands regulate our temperature?
- What are oil glands?
- What is acne?
- What has the skin to do with the production of vitamin D?
- What effect does sunlight have on our skin?
- What part of the light spectrum is detrimental to our skin?
- What are some basic recommendations as to maintain healthy skin?
- What causes the formation of wrinkles?
- What are some of the current methods to eliminate wrinkles?
- What are some popular cosmetics that contain claims to eliminate wrinkles?
On the information level, students will have the opportunity to research various cosmetic materials which are claimed to produce rather dramatic results in altering the aging process and regenerating women`s skin restoring firmness and the appearance of youth. Is this product really “samples from the fountain of youth”?Have chemists and biologists created chemical products that will repair aging skin? What do bio-chemists tells us? Is there substantive evidence for these claims? Are the advertised products more effective than good old fashioned soap and water, a simple moisturizer and a sun blocker? What does research tell us about the effects of sun exposure on the nature of the skin? How are wrinkles formed? Under what kinds of conditions? What is both practical and exciting in this investigation in this experiment, is the opportunity for taking a real look at “interesting “claims.
As for the methodology of this project, this science fair experiment also serves to acquaint students with the essential processes of sciencing such as the importance of the use of a control, of identifying dependent and independent variables, of data collection, of pictorial and or graphic presentation of data and of being able to make better judgments as to the validity and reliability of their findings.They take on the role of scientists and in the process behave as one.
- Products which have claims to reduce wrinkles such as
- ROC (retinol correxion) Deep Wrinkle Daily moisturizer
- Equate, a skin firming moisturizing lotion with Q10
- Strivectin-SD, an intensive concentrate for existing stretch marks
- Olay, an age defying lotion, soap, water, a moisturizer, sun block with Q10
- Gather all of the materials that you will need for this experiment. These include ROC (retinol corrosion)a Deep Wrinkle Daily moisturizer, Equate, a skin firming moisturizing lotion with Q10, Strive tin-SD , an intensive concentrate for existing stretch marks, Olay, an age defying lotion, a moisturizer with Q10, a sun blocker, soap, water, towels, a camera, a pen , folders for storing your photos, the chart provided below and your camera.
- Copy the data chart provided below. Label your folders for the before and After Stages plus any others which highlight the processes involved in the project.
- Obtain the subjects. Ask your grandparents as well as members of the local Senior Center to participate. You may be surprised at the number of people who will volunteer. It would be wise to have at least two subjects in each category including one group of two who would use the soap and water, moisturizer and sun block combination. You might view that group as a modified control. However if not, have one sublet in each group. Explain your objective and your procedure, namely you will take before and after pictures of the faces that each group except the soap and water group will be provided with the product and is to use the product as prescribed on a daily basis for three weeks. Make certain that your subjects have no allergies.
- Explain that you will share the results with the group and each participant will receive a copy of the final report.
- Provide each of the four groups or four subjects with the products and review the procedures to be followed based on the directions provided by the pharmaceutical company. Explain that you will all meet for a short time each week to record progress or lack of progress and that photo will be taken each time and any other data will be gathered that they view as significant.
- Set up a schedule for the three meetings.
- Start by taking the before pictures of all of the subjects. Provide each subject with the products they will be using on a daily basis. Provide each subject with a phone number so they can contact you as needed.
- Each week, take your photos. Record your observations and feedback from your subjects
- At the end of three weeks, review all of the photos and the data. Write up your report. Reproduce your report so that all participants have a copy. Discuss the results with your subjects thanking them for their assistance. Wrinkles or fewer wrinkles, it certainly was an interesting experience!
Data Chart of Observations
Observations: Week #1
Roc: Deep Wrinkle
Olay: Age Defyer
Equate: Skin Firmer
Soap, Water +Moistrizer+sun block
Terms/Concepts: Dermis; Epidermis; Subcutaneous tissue; Cutaneous membrane; Pore; Oil glands; Sweat glands; Hair; Blood vessels; Nerves
- Cornett, Gratz, P., Modern Human Physiology Holt, Rinehart & Winston, New York, 1982
- Pignatiello, J., Essentials of Biology, Holt, Rinehart & Winston, New York, 1989