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BPS3061 Industrial Formulation S1 2025

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  • Sunscreens protect the skin by using

    that absorb, scatter, or reflect ultraviolet (UV) radiation.

  • The SPF rating of a sunscreen primarily indicates its protection level against

    radiation.

  • Physical (inorganic) sunscreen agents, such as zinc oxide and titanium dioxide, protect the skin by

    UV radiation.

  • Chemical (organic) sunscreen agents protect the skin by

    UV radiation and converting it into a small amount of heat.

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Upload your Excel file below

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Build 2 PBs with the following characteristics. 

Specifically use this file provided (not one of yours) 

PB #1: build your PB directly in tab 1

  • 7 factors
  • 4 CPs

. In your template Highlight in yellow the cells below and answer these questions below:

  • What is the sign of Fac 3 exp 1?
  • What is the sign of Fac 3 exp 2?
  • What is the sign of Fac 3 exp 3?
  • What is the sign of Fac 3 exp 4?
  • What is the number of dummies:

PB #2: build your PB directly in tab 2

  • 9 factors
  • 3 CPs

Highlight in yellow the cells below and answer these questions below:

  • What is the sign of Fac 3 exp 1?
  • What is the sign of Fac 3 exp 2?
  • What is the sign of the Fac 3 exp 3?
  • What is the sign of the Fac 3 exp 4?
  • What is the number of dummies:
Upload your Excel spreadsheet in the question below

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graph 1graph 2

Analyse these graphs

The gradient effect of factor 7 in graph 1 is (provide the value of the effect with 0 decimal place)

.

The gradient effect of factor 8 in graph 2 is (provide the value of the effect with 0 decimal place)

.

These two graphs most likely come from

studies because

so the
.

Factor

has the most important influence on
.

The average of results when factor 7 is at +1 is

than the average of results when factor 7 is at

-1, therefore the effect, that is

minus

is

The average of results when factor 8 is at +1 is

than the average of results when factor 8 is at

-1, therefore the effect, that is

minus

is

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Is this matrix a PB?

  • How many factors ?
  • How many dummies?
  • How many experiments?
  • This matrix is a PB :
  • Propose another number of experiments that this study could have been done with: .

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QTPP

Read the QTPP below and fill the blanks in the text

Image failed to load

We are developing a

This product is a

The intended effect of this product is in the

The emulsion is a

The API

in the phase it is in.

The "form" of this product is

Which of the

below are critical (which means that they can
the patient)?

  • Appearance
  • Assay
  • Impurities level
  • Uniformity:
  • pH:
  • Viscosity:
  • Oil droplet size
  • In vitro release profile
  • Preservatives content
  • Microbial limits
  • Residual solvents
  • Stability 
  • Package integrity

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The Flashcard Building

Blocks Game – Surfactants Edition

Surfactants are one of the essential building blocks

for formulators. Think of them as

LEGO pieces

that you will use whenever

you create formulations. These

flashcards will serve as

your

reference guide

 to help you make the best ingredient choices and

avoid

formulation mistakes

.

The Surfactant

Challenge

There are four types of surfactants:

Anionic, Non-Ionic,

Cationic, and Amphoteric

.

What You Need to Do:

1️ Click HERE

to download the PowerPoint

document

  • This

    is the

    template for your flashcard.

  • Do

    not modify the formatting!

    The flashcards must all remain visually

    consistent.

2️ Click HERE

to locate the surfactant assigned

to you

  • You

    have been given

    one surfactant from the list in the "Flashcards_Allocation" spreadsheet

3️ Find and gather the necessary information

Use the following sources to fill in your flashcard:

🔍 Chemical Structure:

  • Search

    for your surfactant in

    PubChem to find its chemical structure.

🖼

Image of the

Ingredient:

  • Find

    a

    relevant picture on Google

    that represents the ingredient

    (molecular model, ingredient in use, etc.).

📖 Usage Information:

  • Use Cosmetics Info, Ultrus Prospector, INCI Decoder, INCI Guide, SpecialChem Cosmetic ingredients, Paula's choice,  or any other accurate resource to gather information on all the topics in the flashcard table. For example:

    • Function

      (e.g., foaming, emulsifying, cleansing, conditioning, etc.)

    • Solubility

      (oil-soluble, water-soluble, amphiphilic)

    • pH

      range

    • Compatibility

      with other ingredients

    • Common

      applications (cleansers, shampoos, serums, creams, etc.)

    • Any

      safety or irritation concerns

You might have to register to the site to access the information, you choose if you want to use your student email (and lose your account at the end of your studies) or a personal (professional) email that you can use after you graduate.

📊

Additional

Information:

  • Use ChatGPT, 
  • Google (prompt: "name of the surfactant  in skincare"), 
  • and other  sources to find the rest of the information in the table of the flashcard. For example:

    • Formulation

      guidelines

    • Recommended

      usage percentage

    • HLB

      value (if applicable)

    • Key

      formulation tips

4 Move the flashcard in the

right place in the slide deck; 

For example, SLS is an "Anionic surfactant" in the

“Sulfates” chapter.

 

5 Build the Excel repository of ingredients

  •  Copy and Paste all the information collected in the Flashcard Builder Google form 

🚨 Important Rules

✅

Do NOT change the formatting

of the flashcards!

✅

Keep the structure

identical across all flashcards for uniformity.

✅

Use reliable sources

(PubChem, INCI Decoder, INCI Guide, supplier

websites, etc.). Feel free to change the first column if you find information in other webpages than the ones mentioned)

✅

Be precise – double-check your information to ensure accuracy.

✅

Keep it simple and clear

– the flashcards must be easy to reference

later.

🔜 Next Steps

Once we complete surfactants

, we will continue

building flashcards for

other ingredient categories. Your

flashcard

library

 will grow and become your ultimate formulation cheat sheet!

WHAT TO SUBMIT:

  • Submit below the Powerpoint document that was provided completed with your flashcard located in the right place in the slide deck.
  • once you have copied and pasted your flashcard information in the Flashcard Builder Google form, your response will be verified directly in Google.

 

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Question 4: Measuring Viscosity with the Brookfield Viscometer

Question 4: Measuring Viscosity with the Brookfield

Viscometer

Viscosity is

measured using a

viscometer.

The model used in

the lab is the

.

Two key parameters

must be set correctly before taking a reading: the

in revolutions per minute (rpm), and the

.

After

minute(s), the reading is stabilised and the viscosity in

is displayed at the top of the screen.

The torque should be

within an acceptable range, typically between

and

to ensure accuracy.

If the torque is too

low or too high, the measurement is

and should be repeated.

Viscosity will be

measured at

rpm and then at rpm.

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Question 3: Batch Record Oil Phase Extra Volume

In the batch record, the

phase is prepared with
extra volume compared to what is actually needed for the formulation.

This extra volume is included to:

When transferring the oil phase into the water phase, the correct approach is to:

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Question 2: Weighing Method Selection

Which of the following statements is TRUE regarding the preferred weighing techniques in semi-solid or liquid formulations?

  • Liquids and semi solids are weighed
    .
  • Powders and flakes are weighed
    .

When liquids and semi-solids are weighed, the

liquid needs to be weighed first. If there are several of them be extremely careful not to put too much of the ones that are not the first ones weighed.

When powders are weighed, the sequence of tasks is as follows:

The weight recorded is a

number.

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