Dr. Naeem Gulzar

Scale changes the physical process, not just the amount: equipment, vessel geometry, batch size and mixing tools affect shear, heating time, pH measurement, thickener dispersion and water loss.

• A sensitive active can perform well in a small batch but lose performance after longer heat exposure in bulk production.
• Success means reproducing the result at scale without sacrificing quality, stability or performance.

The clearest example is shear: the same mixing speed in the lab and at production scale does not produce the same result when equipment, vessel geometry, batch size and mixing tools change. Other problems include pH measurement changes, incorrect addition of sensitive actives, poor thickener dispersion and water evaporation during production.

Read original · Original 2

Product development defines the formulation and critical parameters; sales and marketing assess the market and consumer expectations; production turns parameters into a reproducible process; quality control monitors pH and viscosity; regulatory ensures compliance; and purchasing manages raw-material consistency.

• Continuous communication connects the teams.
• For difficult formulations, intermediate scale-up trials, reference samples and laboratory support during production help catch problems before full production.
• A good formulation can come from the lab, but a successful product takes the entire team.

The post follows a skincare launch at KLG LIQUIDA, part of KLAPP Skin Care Science, and lays out each team’s role. It also describes intermediate scale-up trials, reference samples and laboratory support during production for challenging products such as suncare.

Read original

After launch, raw-material quality can vary by batch, regulations can restrict ingredients, suppliers can modify materials, manufacturing processes or equipment can change, and primary packaging can change.

• Even a small shift in a required parameter such as pH can reduce efficacy or stability, especially in functional skincare.
• The team may need to repeat stability tests, efficacy testing or preservative challenge testing.
• The priority is continuous monitoring and deciding when a formula needs retesting.

Suncare is the clearest example: manufacturing consistency is crucial for highly performance-dependent products. The post cites recent cases where suncare products from well-known brands did not pass claimed SPF value tests.

Read original

Gulzar argues that a team’s strength shows during difficult production periods.

• The advice is practical: discuss requirements clearly, share challenges early, replace long email chains with regular meetings and video calls, assign clear responsibilities within R&D, and speak directly with suppliers when normal communication is not enough.
• Direct supplier conversations helped secure required ingredients on time.
• Early, open discussion builds trust and progress.

The post describes several months spent developing and manufacturing skincare products, including warm production days in Bavaria beside 500–1,000 kg mixers at up to 85°C.

• One concrete result: a customer approved a formulation after a single round of sampling.
• Dr.
• Gulzar thanks named colleagues and the KLG Liquida R&D team for their support.

Read original

Gulzar identifies suncare and functional skincare as especially performance-dependent.

• Claims such as SPF depend on manufacturing consistency, not just a good initial formula.
• Suncare therefore needs intermediate scale-up trials, reference samples, laboratory support during production, and careful retesting when raw materials, processes or packaging change.

One post names challenging suncare products among the formulations being scaled up and produced, alongside intermediate trials, reference samples and laboratory support. Another cites SPF failures at well-known brands as evidence that consistency and verification matter after launch.

Read original · Original 2

It answers what the role involves beyond making a formula and who they work with to get it produced.

Gulzar walks through the teams behind a skincare launch at KLG LIQUIDA, part of KLAPP Skin Care Science.

• Product development defines the formulation and critical parameters; sales and marketing assess the market; production turns those parameters into a reproducible process; quality control checks pH and viscosity; regulatory handles compliance; and purchasing manages raw material consistency.
• Ongoing communication connects the work.
• For difficult formulations such as suncare, they note practical steps including intermediate scale-up trials, reference samples, and laboratory support during production.
• The laboratory can create a good formula, but the full team turns it into a market-ready product.

For brands planning a campaign

Use this post to build interview questions about cross-functional handoffs: how does Gulzar decide when a formulation is ready for production?

• How do they work with regulatory and purchasing when a raw material changes?
• How are reference samples or intermediate trials used in practice?

It explains how Gulzar approaches transferring a formula from the bench to manufacturing and gives specific failure modes to discuss.

Gulzar compares a 1 kg laboratory batch with a 500 kg production batch: the ingredients may be the same, but the batches do not behave the same way.

• They list scale-up problems seen in practice, including different shear and homogenization conditions, longer heating times, changes in pH measurement, incorrect addition of sensitive actives, poor thickener dispersion, and water evaporation during production.
• Two examples show the risks.
• Mixing speed does not produce the same shear across scales because equipment, vessel geometry, batch size, and mixing tools change the process.
• A sensitive ingredient may perform well in a small batch but lose performance after longer heat exposure in bulk production.
• They conclude that scale-up is not simply making a bigger batch; a formulation succeeds only when it can be reproduced at scale without losing quality, stability, or performance.

For brands planning a campaign

Use this post as the basis for a technical assessment: ask the candidate to diagnose a scale-up problem, rank process variables, and explain how they would reproduce a formula at 500 kg. It also shows how Gulzar explains process science to a general audience, a useful skill for interviews, case studies, and content work.

Use it to understand Gulzar's quality and monitoring priorities.

This post argues that successful upscaling and bulk production are only the beginning.

• Formulations need continuous monitoring as conditions change: raw material quality can vary by batch, regulations can restrict ingredients, suppliers can modify raw materials, manufacturing processes or equipment can change, and primary packaging can change.
• Gulzar notes that even a small shift in a required parameter such as pH can reduce efficacy or formulation stability, especially in functional skincare.
• Responses may include repeating stability tests, efficacy testing, or preservative challenge testing; suncare is a particularly performance-dependent example.
• The post also points to recent cases where suncare products from well-known brands did not pass claimed SPF testing, underscoring the need for consistency and verification after launch.

For brands planning a campaign

For a formulation scientist role, use this post to frame questions about stability programs, supplier change notifications, and SPF or efficacy testing. Ask how the candidate would monitor an approved formula after a raw material, packaging, or regulation change, and when they would repeat challenge testing.

Use it to see how they describe manufacturing conditions and team coordination.

Gulzar says the team spent months developing and manufacturing several skincare products at KLG Liquida (KLAPP/Skinative Group), including warm production days in Bavaria beside 500–1,000 kg mixers at up to 85°C.

• They identify the team's success factors: discuss requirements clearly, share challenges early, find practical solutions, hold regular meetings and video calls instead of relying on long email chains, assign clear responsibilities in R&D, and talk directly with suppliers when standard communication is not enough.
• One concrete result was a customer approving a formulation after a single round of sampling.
• Gulzar thanks named colleagues across KLG Liquida and R&D, illustrating a collaborative, production-floor-oriented approach to product development.

For brands planning a campaign

For a hiring brief, this post suggests behavioral interview areas including supplier escalation, customer sampling rounds, and interdepartmental communication. A technical assessment could ask the candidate to describe a real or hypothetical case where a supplier cannot deliver and explain how they would protect the production schedule.

Scale-up problems include differences in shear and homogenization, longer heating times, pH measurement differences, incorrect addition of sensitive actives, poor thickener dispersion, and water evaporation during production.

• The same mixing speed does not produce the same shear when equipment, vessel geometry, batch size and mixing tools change.
• A sensitive ingredient can also lose performance when exposed to heat for longer during bulk production.
• The conclusion: a formulation succeeds only when it can be reproduced at scale without losing quality, stability or performance.

Names specific process variables and works through one example—shear—instead of making general claims about scale-up challenges.

For brands planning a campaign

For a formulation scientist role, this is the clearest evidence of manufacturing thinking beyond the bench.

• Ask them to walk through a specific scale-up problem they encountered, what measurement or trial revealed it, and how they changed the process.
• A technical assessment could give them a lab formula and ask what they would check before and during a 500 kg run.

Examples: Source 1 · Source 2

For difficult formulations, it describes intermediate scale-up trials, reference samples and laboratory support during production to catch problems before full production. The stated view: a good formulation can come from the laboratory, but a successful product comes from the entire team.

Breaks product development into named functions, each with a clear responsibility, making the coordination argument concrete.

For brands planning a campaign

Useful for roles between R&D and manufacturing that require several functions to stay aligned. Ask how they handle a conflict between a marketing claim and a formulation limit, and how they decide when a trial batch is ready to move forward.

Examples: Source 1

Raw material quality varies batch to batch, new regulations may restrict ingredients, suppliers may modify materials, manufacturing processes or equipment may change, and primary packaging may change.

• Even a small pH difference can affect efficacy or formulation stability, especially in functional skincare, and may require repeating stability tests, efficacy testing or preservative challenge testing.
• The post points to recent cases where suncare products from well-known brands could not pass claimed SPF value tests.

The post treats regulatory and supplier-driven change as routine operating conditions, not one-off problems.

For brands planning a campaign

Relevant to quality, stability and claims-sensitive work. Ask how they would set a monitoring or retest trigger for an ingredient or supplier change, and how they would handle a claim put at risk by reformulation.

Examples: Source 1

The success factors named are discussing requirements clearly, sharing challenges early, holding regular meetings and video calls instead of long email chains, assigning clear responsibilities within R&D, and speaking directly with suppliers when normal communication was not enough.

• In one case, a customer approved a formulation after one round of sampling.
• The post credits named colleagues and the R&D team.

Supports general claims about communication and trust with concrete details: mixer sizes, temperatures and a one-round sampling result.

For brands planning a campaign

Shows how they describe leadership and communication, relevant if the role includes managing or coordinating a production-facing R&D team. Ask for an example of how early disclosure of a problem changed the outcome, and how they keep responsibilities clear when several departments face schedule pressure.

Examples: Source 1

One post describes work upscaling and producing several personal care formulations, explicitly calling out challenging suncare products and noting intermediate scale-up trials, reference samples and lab support. Another says manufacturing consistency is particularly important for highly performance-dependent products such as suncare, in the context of SPF claims that failed testing.

For brands planning a campaign

A strong topic match for campaigns aimed at suncare or other claim-heavy products. Ask about SPF testing, preservative challenge testing, and how they would protect a claim through supplier or process changes.

Examples: Source 1 · Source 2

As part of the company's R&D team, Gulzar worked hands-on to scale up and produce multiple personal-care formulations, including suncare, alongside production mixers in Bavaria. The posts credit named KLG Liquida colleagues.

View example

Posts on ICH Q12 and process analytical technology argue that control and flexibility must be designed before the first commercial batch, and that in-line monitoring changes when a batch can be released.

• Dr.
• Gulzar raises the same underlying question about shear, pH and heat at scale, approached through regulatory design and process data rather than mixing equipment.
• Both teach by naming the specific elements that decide the outcome instead of making general statements about quality.

The setting is pharmaceutical small-molecule API manufacturing, where the working vocabulary includes dossiers, established conditions, post-approval change protocols, LIMS and MES.

• Dr.
• Gulzar works in consumer skincare and personal care, where the practical constraints include how a formulation behaves in large vessels, raw-material consistency from suppliers, and finished-product claims such as SPF.

Read original · Original 2

Gulzar's: describe a real situation from your own working life, then show the specific steps taken in response. The post on narrowing a portfolio to skincare and beauty ecommerce, including researching brands, customer reviews and competitors, is a useful companion for readers following the category from the brand and marketing side.

Shakeel writes about commercial copy and e-commerce positioning — headlines, product pages, and how a writer becomes known for one niche — rather than formulation, scale-up or quality control. The overlap is the industry, not the technical questions.

Read original · Original 2

In two posts, Olszowy explains how PAT can support real-time monitoring and more confident batch decisions, and how ICH Q12 tools can build room for future manufacturing changes into development planning. This is a closer fit for technical suppliers whose buyers work in pharmaceutical manufacturing or regulatory affairs rather than skincare formulation.

The reviewed examples focus on small-molecule and API manufacturing and regulatory lifecycle planning, not skincare formulation, suncare, or the move from a laboratory batch to bulk personal-care production.

• For a skincare supplier speaking to formulators about scale-up and product monitoring, Dr.
• Naeem Gulzar’s posts are the more directly relevant match.

Examples: Source 1 · Source 2