Findtherootcause.
Fixitproperly.
We investigate formulation and process failures with the same systematic rigour we apply to new development — diagnosing the actual cause, not the most convenient explanation, and designing fixes that last.
Mostfailuresare
misdiagnosedthefirsttime
The symptom of a formulation or process failure is almost never the cause. A batch that comes out with the wrong viscosity is not a viscosity problem — it is a symptom of something that changed upstream: a raw material batch with different moisture content, a process step that ran at the wrong temperature, a pH drift that deactivated the thickener. Treating the symptom — adding more thickener — does not fix the problem. It masks it temporarily and leaves the actual cause in place to produce the next failure.
Our troubleshooting discipline starts with exhaustive symptom documentation and systematic hypothesis testing. We work through probable causes in order of likelihood, ruling each one in or out with targeted evidence — not gut feel and not the answer that is easiest to implement. The corrective action we design addresses the root cause. The preventive measures we recommend stop the same failure recurring.
- Systematic root cause analysis — confirmed cause, not most convenient explanation
- Corrective action targeted at the cause, not the visible symptom
- Verification testing confirms the fix works before production resumes
- Preventive measures documented to stop the failure recurring
Troubleshooting Investigation: Diagnostic pH, viscometric, and density review of a returned commercial product batch.
Sample Comparison: Side-by-side analysis of a stable, uniform emulsion (left) versus a phase-separated, failed batch (right).
Diagnosticclarity
forcomplexissues
Our troubleshooting service provides rapid, decisive engineering support when batches fail QC, formulations degrade, or processing equipment encounters blockages. We combine chemical forensics with plant process auditing to isolate the root cause of the failure and deliver immediate corrective SOPs.
- Batch failure investigation — yield loss, off-spec product, or rejected batches
- Stability failure root cause analysis — physical, chemical, or microbiological breakdown
- Scale-up discrepancy diagnosis — performance gap between lab and production
- Customer complaint technical investigation with corrective action design
- Raw material non-conformance impact assessment and approved alternative identification
- Process deviation investigation and out-of-specification result review
- Supplier change impact assessment — formulation and process implications
- Sensory defect diagnosis — unexpected colour, odour, texture, or appearance change
- Packaging interaction and product contamination investigation
- Regulatory non-compliance identification and remediation strategy
Oursystematicdiagnosticprocess
Four phases that triage the failure, analyze chemical forensics, execute pilot corrective runs, and establish locked plant safeguards to design out future errors.
Problem Documentation
Systematic capture of the failure — when it first appeared, under what conditions, how frequently, what changed before onset, and what has already been tried. Incomplete symptom documentation is the leading cause of misdiagnosis.
Root Cause Analysis
Structured hypothesis testing using the documented evidence. We work through probable causes systematically — ruling each in or out with targeted testing — until the actual cause is confirmed, not just the most plausible one.
Corrective Action Design
A corrective action targeted at the root cause, not the symptom. We design the fix, specify the verification testing needed to confirm it works, and identify the preventive measures that stop the same failure recurring.
Verification & Prevention
Validation testing confirms the corrective action resolves the failure without creating new problems. We document the findings and update the process controls, specifications, or batch records to prevent recurrence.
Diagnosticand
correctiveaction
Quickly isolating and correcting the chemical, physical, and processing errors that cause manufacturing batches to fail QC.
Batch Rejection
Out-of-spec viscosity, colour, pH, or active content at batch release. We trace the cause to raw material, process, or equipment before the next batch runs.
Stability Failure
Phase separation, colour change, viscosity drift, or microbiological growth appearing mid-shelf life. We identify whether the cause is formulation, packaging, or process.
Customer Complaint
Product returns or performance complaints from the field. We build the technical investigation that determines whether the cause is product, application, or use-condition related.
Scale-Up Performance Gap
Lab results don't replicate at production scale. We identify which physical parameter is driving the gap — mixing, heat transfer, addition rate, or hold time — and correct it.
Raw Material Change
Supplier change, batch-to-batch variation, or raw material non-conformance that affects the finished product. We assess the impact and define an approved alternative or process adjustment.
Sensory Defect
Unexpected colour shift, off-odour, grainy texture, or unusual appearance. We trace whether the cause is raw material degradation, process change, or a packaging interaction.
Packaging Interaction
Product contamination, leaching, migration, or permeation through the primary packaging. We identify the interaction mechanism and recommend the corrective packaging change.
Regulatory Non-Compliance
Restricted ingredient identified in existing formulation, failed regulatory screening, or notification of new restriction. We assess the scope and design the remediation.
Batch-to-Batch Variability
Inconsistent product quality across batches from the same formulation and process. We identify the uncontrolled variable and lock it into the specification or process record.
Rapidresponse&
correctiveplantSOPs
When production stalls, every hour counts. We supply immediate root cause analysis (RCA) reports, updated corrective batch mixing protocols, raw material replacement logs, local exhaust/safety audits, and post-corrective stability assessments to resume manufacturing with total confidence.
- Root cause analysis report — confirmed cause, evidence base, and ruled-out hypotheses
- Corrective action specification — what to change, how to implement it, and why it addresses the root cause
- Verification test protocol and results confirming the corrective action is effective
- Preventive action recommendations — process controls, specification updates, or monitoring changes
- Updated batch record or SOP amendments where the process is implicated
- Risk assessment for batches produced during the failure period — retain, rework, or reject determination
- Supplier or raw material non-conformance report for third-party accountability where applicable
Root Cause Analysis: Formal fishbone diagrammatic report tracking corrective and preventive actions (CAPA) for product stabilization.
Isolateyourbatch
failurestoday.
Whether you're designing a process from scratch, troubleshooting a scale-up failure, or preparing a safety analysis for a regulatory submission — we can help.
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